Set up the project with initial files and improve development experience

Add .gitignore, .env.example, CONTRIBUTING.md, LICENSE, a preview image, and roadmap to the project.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 9111ef36-26c8-4085-84ca-a35dc1fec1b5
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/7083d608-d6d3-4a6a-9a27-6286c5109627/910f6160-6716-488e-83e6-61256595c269.jpg

.gitignore

@@ -1,6 +1,61 @@
-node_modules
-dist
+# Dependencies
+node_modules/
+.pnp
+.pnp.js
+
+# Testing
+coverage/
+.nyc_output/
+
+# Build output
+dist/
+build/
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids/
+*.pid
+*.seed
+*.pid.lock
+
+# Editor directories and files
+.idea/
+.vscode/
+*.swp
+*.swo
 .DS_Store
-server/public
-vite.config.ts.*
-*.tar.gz
+.directory
+Thumbs.db
+
+# Cache directories
+.npm/
+.eslintcache
+.stylelintcache
+.cache/
+
+# Debug files
+.node_repl_history
+
+# Yarn Integrity file
+.yarn-integrity
+
+# TypeScript cache
+*.tsbuildinfo
+next-env.d.ts
+
+# Local package files
+package-lock.json.1
+package-lock-json.bak