Add issue templates for feature request and bug-report

.github/ISSUE_TEMPLATE/bug-report.yml

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+name: Bug report
+description: Create a bug report to help us eliminate issues and improve deepmd-kit.
+title: "[BUG] _Replace With Suitable Title_"
+labels: bug
+assignees: []
+body:
+  - type: textarea
+    id: summary
+    attributes:
+      label: Bug summary
+      description: Please provide a clear and concise description of what the bug is.
+      placeholder: 
+      value:
+    validations:
+      required: true
+  - type: input
+    id: version
+    attributes:
+      label: DMFF Version
+      description: Version of DMFF you are using.
+    validations:
+      required: true
+  - type: input
+    id: jax-version
+    attributes:
+      label: JAX Version
+      description: Version of JAX you are using.
+    validations:
+      required: true
+  - type: input
+    id: openmm-version
+    attributes:
+      label: OpenMM Version
+      description: Version of OpenMM you are using.
+    validations:
+      required: true
+  - type: dropdown
+    id: installation-way
+    attributes:
+      label: How did you download the software?
+      options:
+        - pip
+        - Built from source
+        - Others (write below)
+    validations:
+      required: true
+  - type: textarea
+    id: log
+    attributes:
+      label: Input Files, Running Commands, Error Log, etc.
+      description: "Please provide necessary information including input file, running commands, error log , etc., AS  DETAILED AS POSSIBLE to help locate and reproduce your problem. WARNING: Do not use image to show error log! Paste texts in a code block instead."
+      placeholder: 
+      value:
+    validations:
+      required: true
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: "Describe the steps required to (quickly) reproduce the issue. You can attach (small) files to the section below or add URLs where to download an archive with all necessary files. Please try to create an input set that is as minimal and small as possible and reproduces the bug as quickly as possible. **NOTE:** the less effort and time it takes to reproduce your reported bug, the more likely it becomes, that somebody will look into it and fix the problem."
+      placeholder: 
+      value:
+    validations:
+      required: true
+  - type: textarea
+    id: further
+    attributes:
+      label: Further Information, Files, and Links
+      description: Put any additional information here, attach relevant text or image files and URLs to external sites, e.g. relevant publications
+      placeholder: 
+      value:
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Request for Help
+    url: https://github.com/deepmodeling/DMFF/issues
+    about: If you have a usage question

.github/ISSUE_TEMPLATE/feature-request.yml

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+name: Feature request
+description: Suggest an idea for DMFF.
+title: "[Feature Request] _Replace with Title_"
+labels: enhancement
+assignees: []
+body:
+  - type: textarea
+    id: summary
+    attributes:
+      label: Summary
+      description: "Please provide a brief and concise description of the suggested feature or change"
+      placeholder: 
+      value:
+    validations:
+      required: true
+  - type: textarea
+    id: motivation
+    attributes:
+      label: Motivation
+      description: "Please explain why you think this feature is important and should be implemented. If possible, provide references to relevant background information like publications or web pages, and whether you are planning to implement the enhancement yourself or would like to participate in the implementation. If applicable add a reference to an existing bug report or issue that this will address."
+      placeholder: 
+      value:
+    validations:
+      required: true
+  - type: textarea
+    id: solutions
+    attributes:
+      label: Suggested Solutions
+      description: "Please describe possible solutions to the problem. If you have a specific idea in mind, please describe it here. If you don't have a specific idea, please describe what you think would be a good solution to the problem."
+      placeholder: 
+      value:
+    validations:
+      required: false
+  - type: textarea
+    id: further
+    attributes:
+      label: Further Information, Files, and Links
+      description: Put any additional information here, attach relevant text or image files and URLs to external sites, e.g. relevant publications. If you have any further questions, please don't hesitate to ask them here.
+      placeholder: 
+      value:
+    validations:
+      required: false

.github/ISSUE_TEMPLATE/generic-issue.yml

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+name: Generic issue
+description: For issues that do not fit any of the other categories.
+title: _Replace With a Descriptive Title_
+labels: wontfix
+assignees: []
+body:
+  - type: textarea
+    id: summary
+    attributes:
+      label: Summary
+      description: "Please provide a clear and concise description of what the question is."
+      placeholder: 
+      value:
+    validations:
+      required: true
+  - type: input
+    id: version
+    attributes:
+      label: DMFF Version
+      description: Version of DMFF you are using.
+    validations:
+      required: true
+  - type: input
+    id: jax-version
+    attributes:
+      label: JAX Version
+      description: Version of JAX you are using.
+    validations:
+      required: true
+  - type: input
+    id: openmm-version
+    attributes:
+      label: OpenMM Version
+      description: Version of OpenMM you are using.
+    validations:
+      required: true
+  - type: textarea
+    id: other-version
+    attributes:
+      label: Python Version, CUDA Version, GCC Version, Operating System Version etc
+      description: "If applicable, specify what platform you are running on."
+      placeholder: 
+      value:
+    validations:
+      required: false
+  - type: textarea
+    id: details
+    attributes:
+      label: Details
+      description: "Please explain the issue in detail here."
+      placeholder: 
+      value:
+    validations:
+      required: true