Added gitignore

.gitignore

@@ -0,0 +1,33 @@
+# Environment files — never commit real tokens
+.env
+*.env
+!.env.example
+
+# Go build output
+bin/
+dist/
+*.exe
+
+# Go test cache and coverage
+*.test
+*.out
+coverage.html
+
+# Go workspace sum is committed, but local tool caches are not
+.gomodcache/
+
+# Editor / IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+.DS_Store
+
+# Claude Code local settings (machine-specific, not shared)
+.claude/settings.local.json
+
+# buf local cache
+.buf/
+
+# Docker build context artifacts
+*.tar