Add GitHub issue templates

Author: senko

.github/ISSUE_TEMPLATE/bug-report.yml

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+name: Bug Report
+description: File a bug report
+title: "[Bug]: "
+labels:
+  - bug
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for taking the time to fill out this bug report!
+        
+        If you haven't already, please also check [currently open issues](https://github.com/Pythagora-io/gpt-pilot/issues/) to see if the problem you have is already mentioned. If so, please comment on the the existing issue instead of creating a new one.
+        
+        We also have an [active community on Discord](https://discord.gg/HaqXugmxr9). If the issue is more about how to do something with GPT Pilot and not about a bug or problem, consider joining our Discord and discussing there, as it's possible other community members could help you!
+  - type: dropdown
+    id: client
+    attributes:
+      label: Version
+      description: Which version of GPT Pilot are you using?
+      options:
+        - VisualStudio Code extension
+        - Command-line (Python) version
+    validations:
+      required: true
+  - type: dropdown
+    id: os
+    attributes:
+      label: Operating System
+      description: Which operating system are you using?
+      options:
+        - Windows 10
+        - Windows 11
+        - MacOS
+        - Ubuntu Linux
+        - Linux (other)
+    validations:
+      required: true
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: What happened?
+      description: Please describe the problem in as much detail as possible. If you have screenshots or screen recordings, please add them - they will help us figure out what's going on.
+      placeholder: "When I do [something], [a strange thing or a bug] happens instead of [what I expected]."
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -0,0 +1,32 @@
+name: Feature request
+description: Suggest a feature or improvement
+title: "[Enhancement]: "
+labels:
+  - enhancement
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for taking the time to suggest improvement to GPT Pilot!
+        
+        If you haven't already, please also check [currently open issues](https://github.com/Pythagora-io/gpt-pilot/issues/) to see if this is a commonly-asked feature. If so, please comment on the the existing issue instead of creating a new one.
+        
+        We also have an [active community on Discord](https://discord.gg/HaqXugmxr9), so please consider joining and sharing your idea with the rest of the community.
+  - type: dropdown
+    id: client
+    attributes:
+      label: Version
+      description: Which version of GPT Pilot does this apply?
+      options:
+        - VisualStudio Code extension
+        - Command-line (Python) version
+    validations:
+      required: true
+  - type: textarea
+    id: idea
+    attributes:
+      label: Suggestion
+      description: Please describe your suggestion for the improvement or new feature here.
+      placeholder: "It would be cool if GPT Pilot could do [something]."
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/howto.yml

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+name: How do I...?
+description: Ask for help if you're stuck
+title: "[Howto]: "
+labels:
+  - question
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for trying out GPT Pilot!        
+        
+        In general, it's best to ask the question [in our community Discord](https://discord.gg/HaqXugmxr9). We have an active and friendly community and you will likely get an answer quicker than if you post here. You can also check our [open issues](https://github.com/Pythagora-io/gpt-pilot/issues/) and see if what you're asking about was already discussed there.
+
+        BTW: If you're wondering how to use GPT Pilot with a local LLM, please check our tutorial here: [Using GPT Pilot with Local LLMs](https://github.com/Pythagora-io/gpt-pilot/wiki/Using-GPT%E2%80%90Pilot-with-Local-LLMs).
+  - type: dropdown
+    id: client
+    attributes:
+      label: Version
+      description: Which version of GPT Pilot are you using?
+      options:
+        - VisualStudio Code extension
+        - Command-line (Python) version
+    validations:
+      required: true
+  - type: dropdown
+    id: os
+    attributes:
+      label: Operating System
+      description: Which operating system are you using?
+      options:
+        - Windows 10
+        - Windows 11
+        - MacOS
+        - Ubuntu Linux
+        - Linux (other)
+    validations:
+      required: true
+  - type: textarea
+    id: question
+    attributes:
+      label: Your question
+      description: Please describe your question in as much detail as possible.
+      placeholder: "How can I do [something] with GPT Pilot? I've checked the open issues and Discord and there doesn't seem to be an answer to this."
+    validations:
+      required: true