feat: integrate Pi backend and Pi Web

pi/.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,45 @@
+name: Bug Report
+description: Report something that's broken
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        **Before you start:** Read [CONTRIBUTING.md](https://github.com/earendil-works/pi/blob/main/CONTRIBUTING.md).
+
+        New issues from new contributors are auto-closed by default. Maintainers review auto-closed issues daily. Issues that do not meet the quality bar in [CONTRIBUTING.md](https://github.com/earendil-works/pi/blob/main/CONTRIBUTING.md) will not be reopened or receive a reply.
+
+        Keep this short. If it doesn't fit on one screen, it's too long. Write in your own voice.
+
+        **Important:** before reporting an issue in core, please validate first with `pi -ne` that this is not caused by an extension you loaded.
+
+  - type: textarea
+    id: description
+    attributes:
+      label: What happened?
+      description: Be specific. Include error messages if any.
+    validations:
+      required: true
+
+  - type: textarea
+    id: repro
+    attributes:
+      label: Steps to reproduce
+      description: Minimal steps to trigger the bug.
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+    validations:
+      required: false
+
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      description: e.g. 0.49.0
+    validations:
+      required: false