Add gitignore

.gitignore

@@ -0,0 +1,64 @@
+# OS-generated files
+.DS_Store
+Thumbs.db
+
+# Build artifacts
+build/
+*.o
+*.obj
+*.exe
+*.elf
+*.hex
+*.bin
+*.map
+*.lst
+*.sym
+
+# Dependency directories
+node_modules/
+.pio/
+.libdeps/
+.wled/
+
+# IDE and editor files
+.vscode/
+.idea/
+*.swp
+*~
+*.sublime-workspace
+*.sublime-project
+
+# Logs
+*.log
+
+# Environment variables
+.env
+.env.local
+.env.development
+.env.production
+
+# Test coverage
+coverage/
+.lcov/*
+*.lcov
+*.lcov.info
+
+# Temporary files
+*.tmp
+*.temp
+_temp/
+
+# PlatformIO specific
+/.pioenvs/
+/.piolibdeps/
+/.pipackages/
+
+# Miscellaneous
+*.bak
+*.backup
+*.orig
+*.rej
+*.tmp
+*.temp
+temp/
+tmp/