convert to typescript, add comment tag, text node

[wongchichong]

Here are the follow changes:

• convert code to typescript
• add comment tag '!' to h( )
• add textnode tag 'text' to h()
• generate .d.ts, and un-minify source from tsc
• generate minified source from esbuild+vite
• vite config: vite.config.ts
• esbuild for mocha in .esbuildrc.js
• remove babel & rollup
• add svg test case