feat: implement plugin architecture and application settings with Svelte UI

- Added plugin base and loader for backend extensibility
- Implemented application settings management with config persistence
- Created Svelte-based frontend with Dashboard and Settings pages
- Added API routes for plugins, tasks, and settings
- Updated documentation and specifications
- Improved project structure and developer tools

.gitignore

@@ -1,18 +1,19 @@
-*__pycache__*
-*.ps1
-keyring passwords.py
-*logs*
-*github*
-*venv*
-*git*
-*tech_spec*
-dashboards
-# Python specific
-*.pyc
-dist/
-*.egg-info/
-
-# Node.js specific
-node_modules/
-build/
-.env*
+*__pycache__*
+*.ps1
+keyring passwords.py
+*logs*
+*github*
+*venv*
+*git*
+*tech_spec*
+dashboards
+# Python specific
+*.pyc
+dist/
+*.egg-info/
+
+# Node.js specific
+node_modules/
+build/
+.env*
+config.json