Migrate from GitHub to Forgejo

- Rename .github directory to .forgejo
- Update workflow actions to use Forgejo-specific URLs
- Change runners from ubuntu-latest to self-hosted
- Replace GitHub-specific AWS action with environment variables
- Update documentation references from GitHub to Forgejo/git.deco.sh

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.claude/settings.local.json

@@ -1,9 +1,12 @@
-{
-  "permissions": {
-    "allow": [
-      "Bash(find:*)",
-      "Bash(ls:*)"
-    ],
-    "deny": []
-  }
+{
+  "permissions": {
+    "allow": [
+      "Bash(find:*)",
+      "Bash(ls:*)",
+      "Bash(mv:*)",
+      "Bash(git checkout:*)",
+      "Bash(git add:*)"
+    ],
+    "deny": []
+  }
 }