feat: create vite-plugin-simple-hmr

[hi-ogawa]

• merge base feat(vite-plugin-ssr-middleware): support vite runtime #156

Initially copied from hi-ogawa/repro-vite-runtime-ssr-react#1

todo

• ast analysis
• explore hot.prune/dispose (this is not probably for detecting certain generation of module is not referenced by other modules)
• explore proxy approach
• allow customizing accept condition (e.g. full reload if there is non-component export)
• test with feat: integrate vite runtime #155