Adds basic issue templates

Based on https://github.com/Tyrrrz/CliWrap/issues/new/choose

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,93 @@
+name: 🐛 Bug report
+description: Report broken functionality.
+labels: [bug]
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        - Avoid generic or vague titles such as "Something's not working" or "A couple of problems" — be as descriptive as possible.
+        - Keep your issue focused on one single problem. If you have multiple bug reports, please create a separate issue for each of them.
+        - Issues should represent **complete and actionable** work items. If you are unsure about something or have a question, please start a [discussion](https://github.com/fsharp/FsAutoComplete/discussions/new/choose) instead.
+        - Remember that **FsAutocomplete** is an open-source project funded by the community contributions and free time.
+        ___
+
+  - type: input
+    attributes:
+      label: Version
+      description: Which version of the package does this bug affect? Make sure you're not using an outdated version.
+      placeholder: v1.0.0
+    validations:
+      required: true
+
+  - type: input
+    attributes:
+      label: Dotnet Info
+      description: What is the output of `dotnet --info`?
+      placeholder: "Paste output here"
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Steps to reproduce
+      description: >
+        Minimum steps required to reproduce the bug, including prerequisites, code snippets, or other relevant items.
+        The information provided in this field must be readily actionable, meaning that anyone should be able to reproduce the bug by following these steps.
+        If the reproduction steps are too complex to fit in this field, please provide a link to a repository instead.
+        If you don't provide actionable reproduction steps, your issue won't be investigated.
+      placeholder: |
+        - Step 1
+        - Step 2
+        - Step 3
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Details
+      description: Clear and thorough explanation of the bug, including any additional information you may find relevant.
+      placeholder: |
+        - Expected behavior: ...
+        - Actual behavior: ...
+    validations:
+      required: true
+
+  - type: textarea
+    attributes:
+      label: Logs
+      description: >
+        Please add any logs from your LSP client or server that you think might be relevant.
+        Be sure to look through logs and obfuscate anything you don't want to share.
+
+        * For VSCode:
+          * Enable `FSharp.verboseLogging` and set `FSharp.trace.server` to a higher level
+          * Then copy output from
+            * `View -> Output -> Fsharp`
+            * `View -> Output -> Ionide`
+            * Any others that you think might be relevant
+      placeholder: |
+        - [21:11:05 DEBUG] [LanguageService] FSAC (NETCORE): ...
+    validations:
+      required: false
+
+  - type: checkboxes
+    attributes:
+      label: Checklist
+      description: Quick list of checks to ensure that everything is in order.
+      options:
+        - label: I have looked through existing issues to make sure that this bug has not been reported before
+          required: true
+        - label: I have provided a descriptive title for this issue
+          required: true
+        - label: I have made sure that that this bug is reproducible on the latest version of the package
+          required: true
+        - label: I have provided all the information needed to reproduce this bug as efficiently as possible
+          required: true
+        - label: I or my company would be willing to contribute this fix
+          required: false
+
+  - type: markdown
+    attributes:
+      value: |
+        If you are struggling to provide actionable reproduction steps, or if something else is preventing you from creating a complete bug report, please start a [discussion](https://github.com/fsharp/FsAutoComplete/discussions/new/choose) instead.

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: 🗨 Discussions
+    url: https://github.com/fsharp/FsAutoComplete/discussions/new/choose
+    about: Ask and answer questions.
+  - name: 💬 Discord server
+    url: https://discord.gg/R6n7c54
+    about: Chat with the community.