feat: Enhance provider components with detailed documentation and comments

- Added comprehensive comments and JSDoc-style documentation to NotificationProvider, ThemeProvider, UserProvider, and WebsiteThemeProvider for better clarity and maintainability.
- Improved type definitions in index.ts for better code understanding and usage.
- Introduced Docker support with Dockerfiles for various services including AI server, signaling server, and browser-use service.
- Created a docker-compose.yml file to orchestrate multiple services including PostgreSQL, AI, scraper, and frontend.
- Added a startup guide (startup.txt) for setting up the CRM environment on Ubuntu with Docker.
- Included a .dockerignore file to exclude unnecessary files from Docker builds.

eslint.config.mjs

@@ -1,8 +1,13 @@
+// ── ESLint Config ──────────────────────────────────────────────────
+// Extends Next.js core-web-vitals + TypeScript recommended rules.
+// Ignores build output directories and auto-generated type stubs.
+
 import { defineConfig, globalIgnores } from "eslint/config";
 import nextVitals from "eslint-config-next/core-web-vitals.js";
 import nextTs from "eslint-config-next/typescript.js";
 
 const eslintConfig = defineConfig([
+  // Next.js core Web Vitals rules + TypeScript strict checks
   ...nextVitals,
   ...nextTs,
   // Override default ignores of eslint-config-next.