chore: switch to issue templates for bug reports and feature requests

Author: dominikg

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,50 @@
+name: "\U0001F41E Bug report"
+description: Report an issue with vite-plugin-svelte
+labels: ["bug", "triage"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thank you for participating in vite-plugin-svelte! Please check for existing reports before creating a new one.
+  - type: textarea
+    id: bug-description
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is. If you intend to submit a PR for this issue, tell us in the description. Thanks!
+      placeholder: Bug description
+    validations:
+      required: true
+  - type: textarea
+    id: reproduction
+    attributes:
+      label: Reproduction
+      description: Please provide a link to a repo and step by step instructions to reproduce the problem you ran into. If a report is vague (e.g. just a generic error message) and has no reproduction, it will receive a "need reproduction" label. If no reproduction is provided within a reasonable time-frame, the issue will be closed.
+      placeholder: Reproduction
+    validations:
+      required: true
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs
+      description: "Please include browser console and server logs around the time this bug occurred. Use `DEBUG='vite:*' <your start command here>` or `vite dev --debug`. No screenshots."
+      render: shell
+  - type: textarea
+    id: system-info
+    attributes:
+      label: System Info
+      description: Output of `npx envinfo --system --npmPackages vite,svelte,svelte-hmr,@sveltejs/vite-plugin-svelte --binaries --browsers`
+      render: shell
+      placeholder: System, Binaries, Browsers
+    validations:
+      required: true
+  - type: dropdown
+    id: severity
+    attributes:
+      label: Severity
+      description: Select the severity of this issue
+      options:
+        - annoyance
+        - blocking an upgrade
+        - blocking all usage of vite-plugin-svelte
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -0,0 +1,42 @@
+name: "Feature Request"
+description: Request a new vite-plugin-svelte feature
+labels: [enhancement, triage]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to request this feature! Please check if a similar request already exists before opening a new one.
+  - type: textarea
+    id: problem
+    attributes:
+      label: Describe the problem
+      description: Please provide a clear and concise description the problem this feature would solve. The more information you can provide here, the better.
+      placeholder: "I'm always frustrated when..."
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Describe the proposed solution
+      description: Please provide a clear and concise description of what you would like to happen.
+      placeholder: I would like to see...
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives considered
+      description: "Please provide a clear and concise description of any alternative solutions or features you've considered."
+    validations:
+      required: true
+  - type: dropdown
+    id: importance
+    attributes:
+      label: Importance
+      description: How important is this feature to you?
+      options:
+        - nice to have
+        - would make my life easier
+        - i cannot use vite-plugin-svelte without it
+    validations:
+      required: true