feat(vite-plugin-blocklet): support hot reload api code

[LancelotLewis]

Relates Issue

relates #328

Main changes

1. Support hot reload with api code

Screenshots

Check list

• Project create by create-blocklet can work with npm run dev
• Project create by create-blocklet can work with npm run deploy
• Project create by create-blocklet can work with npm run upload
• If a new version need to be publish, make sure you have run npm run bump-version command