v0.1.1

• Added Fiber v3 app hooks skeleton with app.Hooks() integration
• Added default graceful shutdown wiring for generated Fiber v2 and v3 projects
• Added stronger default middleware setup for medium, heavy, and light:
  • recover
  • request id
  • logger
  • cors
• Added optional JSON backend selection with --json-lib stdlib|sonic|go-json
• Added json_lib to generated project metadata, inspect, diff, and upgrade recipe output
• Documented the trust boundary for build hooks