Add Gitea Actions workflows, CI config, and docs

.gitea/ISSUE_TEMPLATE/repo_management.yml

@@ -0,0 +1,45 @@
+name: Repository Management
+about: Request repo maintenance (archiving, renaming, structure changes)
+title: "[Repo] "
+labels:
+  - repo-management
+body:
+  - type: textarea
+    id: summary
+    attributes:
+      label: Summary
+      description: What repo maintenance or management change is needed?
+    validations:
+      required: true
+
+  - type: textarea
+    id: current
+    attributes:
+      label: Current State
+      description: Describe current repo structure, branches, tags, etc.
+
+  - type: textarea
+    id: change
+    attributes:
+      label: Requested Change
+      description: What you want changed and why.
+    validations:
+      required: true
+
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps
+      description: Step-by-step plan to complete the change (who will run each step).
+
+  - type: textarea
+    id: impact
+    attributes:
+      label: Dependencies & Impact
+      description: Other repos, CI pipelines, or services that will be affected.
+
+  - type: textarea
+    id: rollback
+    attributes:
+      label: Rollback Plan
+      description: How to undo if something goes wrong.