Add a standard .gitignore file to handle common exclusions

.gitignore

@@ -0,0 +1,50 @@
+# Dependencies
+node_modules/
+jspm_packages/
+
+# Environment variables
+.env
+.env.local
+.env.*.local
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# Build outputs
+dist/
+build/
+out/
+*.tsbuildinfo
+
+# Testing
+coverage/
+.nyc_output/
+*.lcov
+
+# Cache
+.cache/
+.parcel-cache/
+.eslintcache
+.stylelintcache
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Package manager
+.pnpm-debug.log
+.yarn/