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>

cmd/gt/main.go

@@ -0,0 +1,15 @@
+package main
+
+import (
+	"fmt"
+	"os"
+)
+
+func main() {
+	fmt.Println("gt - Gas Town CLI")
+	fmt.Println("Version: 0.0.1 (development)")
+	if len(os.Args) > 1 {
+		fmt.Printf("Command: %s\n", os.Args[1])
+		fmt.Println("Not yet implemented. See gastown-py for current functionality.")
+	}
+}