Add root .gitignore to ignore .env files

.gitignore

@@ -0,0 +1,47 @@
+# Dependencies
+node_modules/
+*/node_modules/
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+*/.env
+*/.env.local
+
+# Production builds
+backend/public/uploads/*
+!backend/public/uploads/.gitkeep
+frontend/dist/
+frontend/build/
+administracion/dist/
+administracion/build/
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+backend/logs/
+
+# OS files
+.DS_Store
+Thumbs.db
+desktop.ini
+
+# IDE
+.vscode/
+.idea/
+*.swp
+
+# Temporary
+*.tmp
+.cache/
+
+# Database
+*.sqlite
+
+# Backups
+*.tar.gz
+*.backup