Move Gitea workflows to repository root

.gitea/workflows/template-compliance.yml

@@ -0,0 +1,38 @@
+name: Template Compliance
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  template-compliance:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Verify Codex baseline files
+        shell: bash
+        run: |
+          test -f opera-cache-cleaner-extension/AGENTS.md
+          test -f opera-cache-cleaner-extension/.codex/project.md
+          test -f opera-cache-cleaner-extension/SECURITY.md
+          test -f opera-cache-cleaner-extension/CHANGELOG.md
+          test -f opera-cache-cleaner-extension/docs/security-review.md
+          test -f opera-cache-cleaner-extension/docs/release-checklist.md
+          test -f .gitea/workflows/build.yml
+          test -f .gitea/workflows/security-scan.yml
+          test -f .gitea/workflows/repo-cleanup.yml
+          test -f .gitea/workflows/release-dry-run.yml
+
+      - name: Check for unresolved template placeholders
+        shell: bash
+        run: |
+          if grep -RInE 'PROJECT[_]NAME|PROJECT[_]DESCRIPTION|REPOSITORY[_]OWNER|REPOSITORY[_]NAME|PACKAGE[_]NAME|ARTIFACT[_]NAME|ARTIFACT[_]OUTPUT[_]DIRECTORY|BUILD[_]COMMAND|TEST[_]COMMAND|LINT[_]COMMAND|AUDIT[_]COMMAND' opera-cache-cleaner-extension --exclude-dir=.git --exclude-dir=dist; then
+            echo "Unresolved template placeholders found."
+            exit 1
+          fi