Initial commit: Go port scaffolding

- Go project structure (go.mod, cmd/gt/main.go)
- Beads database initialized with gt- prefix
- Town management design doc (docs/town-design.md)
- Basic README and CLAUDE.md

Epics tracked:
- gt-u1j: Port Gas Town to Go
- gt-f9x: Town & Rig Management

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.beads/metadata.json

@@ -0,0 +1,4 @@
+{
+  "database": "beads.db",
+  "jsonl_export": "issues.jsonl"
+}