feat: Enhance plugin store and experiment design infrastructure

- Add plugin store system with dynamic loading of robot actions
- Implement plugin store API routes and database schema
- Update experiment designer to support plugin-based actions
- Refactor environment configuration and sidebar navigation
- Improve authentication session handling with additional user details
- Update Tailwind CSS configuration and global styles
- Remove deprecated files and consolidate project structure

.vscode/settings.json

@@ -1,2 +1,21 @@
 {
-}
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.formatOnSave": true,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
+  "tailwindCSS.experimental.classRegex": [
+    ["cva\\(([^)]*)\\)", "[\"'`]([^\"'`]*).*?[\"'`]"],
+    ["cn\\(([^)]*)\\)", "[\"'`]([^\"'`]*).*?[\"'`]"],
+    ["tw=\"([^\"]*)\""]
+  ],
+  "tailwindCSS.includeLanguages": {
+    "typescript": "javascript",
+    "typescriptreact": "javascript"
+  },
+  "typescript.tsdk": "node_modules/typescript/lib",
+  "typescript.enablePromptUseWorkspaceTsdk": true,
+  "css.validate": false,
+  "scss.validate": false,
+  "tailwindCSS.validate": true
+}