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.

src/components/leads/lead-status-badge.tsx

@@ -1,9 +1,13 @@
+// ── Leads: Status Badge Component ──
+// Color-coded badge component for lead status (Open, Contacted, Pending, Closed, Ignored).
+
 "use client"
 
 import { Badge } from "@/components/ui/badge"
 import { LeadStatus } from "@/types"
 import { cn } from "@/lib/utils"
 
+/** Color and label configuration for each lead status */
 const statusConfig: Record<LeadStatus, { label: string; class: string }> = {
   open: {
     label: "Open",
@@ -32,6 +36,9 @@ interface LeadStatusBadgeProps {
   className?: string
 }
 
+/**
+ * LeadStatusBadge — renders a colored pill badge with a dot icon for the given lead status.
+ */
 export function LeadStatusBadge({ status, className }: LeadStatusBadgeProps) {
   const config = statusConfig[status]
   return (