Add Gitea OTA firmware update, dual-slot partition layout, and Gitea Actions release workflow

.gitignore

@@ -1,5 +1,29 @@
+# ESP-IDF build output and temporary files
 build/
-managed_components/
 sdkconfig.old
 sdkconfig.defaults.bak
-dependencies.lock
+dependencies.lock
+
+# ESP Component Manager downloads
+managed_components/
+
+# Editor & IDE configurations
+.vscode/
+.idea/
+*.code-workspace
+*.sublime-project
+*.sublime-workspace
+
+# Python and virtual environments
+__pycache__/
+*.py[cod]
+*$py.class
+.venv/
+venv/
+ENV/
+
+# Operating System files
+.DS_Store
+Thumbs.db
+ehthumbs.db
+[Dd]esktop.ini