feat: Add CHANGELOG for version 1.0.0

Author: ishansasika

CHANGELOG.md

@@ -0,0 +1,43 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.0.0] - 2025-01-11
+
+### Added
+- Initial production-ready release
+- Complete UI with 4 pages (Home, About, Services, Contact)
+- React 19 with TypeScript support
+- Vite 6 for lightning-fast development
+- Tailwind CSS 3.4 with utility-first styling
+- React Router 7 for client-side routing
+- ESLint 9 for code quality
+- Dark mode support throughout the application
+- Mobile-first responsive design
+- Beautiful blue-purple gradient theme
+- MIT License file
+- EditorConfig for consistent coding styles
+- Prettier configuration for code formatting
+- VS Code workspace recommendations
+- Firebase deployment configuration
+- GitHub Actions workflow for automatic deployment
+- Comprehensive README with setup instructions
+- CLAUDE.md with detailed architecture documentation
+
+### Features
+- **Header Component**: Sticky navigation with mobile menu and active route highlighting
+- **Footer Component**: Multi-column footer with brand info, quick links, and social icons
+- **Home Page**: Hero section, feature cards, statistics, and CTAs
+- **About Page**: Mission statement, tech stack showcase, values cards, and team profiles
+- **Services Page**: 6 color-coded service cards with detailed features
+- **Contact Page**: Functional contact form with validation and contact information
+
+### Developer Experience
+- Type-safe development with TypeScript strict mode
+- Hot Module Replacement (HMR) for instant feedback
+- Barrel export pattern for clean imports
+- Catch-all route for 404 handling
+- Production-optimized builds