chore(.github): update issue templates (#124)

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,119 @@
+name: 🐛 Bug Report
+description: File an issue about a bug.
+title: "[BUG] "
+labels: [bug]
+assignees: [Benjamin-eecs]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please do your best to make the issue as easy to act on as possible, and only submit here if there is clearly a problem with TorchOpt (ask in [Discussions](https://github.com/metaopt/torchopt/discussions) first if unsure).
+
+  - type: checkboxes
+    id: steps
+    attributes:
+      label: Required prerequisites
+      description: Make sure you've completed the following steps before submitting your issue -- thank you!
+      options:
+        - label: I have read the documentation <https://torchopt.readthedocs.io>.
+          required: true
+        - label: I have searched the [Issue Tracker](https://github.com/metaopt/torchopt/issues) and [Discussions](https://github.com/metaopt/torchopt/discussions) that this hasn't already been reported. (+1 or comment there if it has.)
+          required: true
+        - label: Consider asking first in a [Discussion](https://github.com/metaopt/torchopt/discussions/new).
+          required: false
+
+  - type: input
+    id: version
+    attributes:
+      label: |
+        What version of TorchOpt are you using?
+      value: |
+        python3 -m pip show torchopt
+    validations:
+      required: true
+
+  - type: textarea
+    id: system-info
+    attributes:
+      label: System information
+      value: |
+        Describe the characteristic of your environment:
+
+        - Describe how the library was installed (pip, conda, source, ...)
+        - Python version
+        - Versions of any other relevant libraries
+
+        ```python
+        import sys, torch, functorch, torchopt
+        print(sys.version, sys.platform)
+        print(torchopt.__version__, torch.__version__, functorch.__version__)
+        ```
+    validations:
+      required: true
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Problem description
+      placeholder: |
+        Provide a short description, state the expected behavior and what actually happens. Include
+        relevant information like what version of TorchOpt you are using, what system you are on,
+        and any useful commands / output.
+    validations:
+      required: true
+
+  - type: textarea
+    id: code
+    attributes:
+      label: Reproducible example code
+      value: |
+        <!-- The code should be minimal, have minimal external dependencies, and isolate the
+        functions that cause breakage. Submit matched and complete snippets that can be easily
+        run to diagnose the issue. -->
+
+        The Python snippets:
+
+        ```python
+
+        ```
+
+        Run the snippets with the following commands:
+
+        ```bash
+
+        ```
+
+        Extra dependencies:
+
+        ```text
+
+        ```
+    validations:
+      required: true
+
+  - type: textarea
+    id: traceback
+    attributes:
+      label: Traceback
+      placeholder: |
+        Put the Python traceback information here.
+
+        Traceback (most recent call last):
+          File ...
+      render: pytb
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      placeholder: |
+        Provide a clear and concise description of what you expected to happen.
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      placeholder: |
+        Add any other context about the problem here. Screenshots may also be helpful.
+
+        If you know or suspect the reason for this bug, paste the code lines and suggest modifications.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: 💬 Start a discussion
+    url: https://github.com/metaopt/torchopt/discussions/new
+    about: Please ask and answer questions here if unsure.

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -0,0 +1,48 @@
+name: ✨ Feature Request
+description: Suggest an idea for this project.
+title: "[Feature Request] "
+labels: [enhancement]
+assignees: [Benjamin-eecs]
+body:
+  - type: checkboxes
+    id: steps
+    attributes:
+      label: Required prerequisites
+      description: Make sure you've completed the following steps before submitting your issue -- thank you!
+      options:
+        - label: I have searched the [Issue Tracker](https://github.com/metaopt/torchopt/issues) and [Discussions](https://github.com/metaopt/torchopt/discussions) that this hasn't already been reported. (+1 or comment there if it has.)
+          required: true
+        - label: Consider asking first in a [Discussion](https://github.com/metaopt/torchopt/discussions/new).
+          required: false
+
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation
+      value: |
+        <!-- Please outline the motivation for the proposal.
+        Is your feature request related to a problem? E.g., "I'm always frustrated when [...]".
+        If this is related to another issue, please link here too. -->
+    validations:
+      required: true
+
+  - type: textarea
+    id: solution
+    attributes:
+      label: Solution
+      placeholder: |
+        Provide a clear and concise description of what you want to happen.
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives
+      placeholder: |
+        A clear and concise description of any alternative solutions or features you've considered.
+
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      placeholder: |
+        Add any other context about the problem here. Screenshots may also be helpful.

.github/ISSUE_TEMPLATE/questions.yml

@@ -0,0 +1,27 @@
+name: 🤔 Questions / Help / Support
+description: Do you need support?
+title: "[Question] "
+labels: [question]
+assignees: [Benjamin-eecs]
+body:
+  - type: checkboxes
+    id: steps
+    attributes:
+      label: Required prerequisites
+      description: Make sure you've completed the following steps before submitting your issue -- thank you!
+      options:
+        - label: I have read the documentation <https://torchopt.readthedocs.io>.
+          required: true
+        - label: I have searched the [Issue Tracker](https://github.com/metaopt/torchopt/issues) and [Discussions](https://github.com/metaopt/torchopt/discussions) that this hasn't already been reported. (+1 or comment there if it has.)
+          required: true
+        - label: Consider asking first in a [Discussion](https://github.com/metaopt/torchopt/discussions/new).
+          required: false
+
+  - type: textarea
+    id: questions
+    attributes:
+      label: Questions
+      placeholder: |
+        Describe your questions with relevant resources such as snippets, links, images, etc.
+    validations:
+      required: true

pyproject.toml

@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "torchopt"
-description = "A Jax-style optimizer for PyTorch."
+description = "An efficient library for differentiable optimization for PyTorch."
 readme = "README.md"
 # Change this if wheels for `torch` is available
 # Search "requires-python" and update all corresponding items