feat: Forward Raw IncomingMessage and ServerResponse Via Env

[beeequeue]

Makes the raw IncomingMessage and ServerResponse instances accessible via c.env the same way that hono/aws-lambda does it.

After implementing it I saw that #90 does the same thing, but I thought I may as well submit it as it is smaller in scope.

type Bindings = {
  incoming: IncomingMessage
  outgoing: ServerResponse
}

const app = new Hono<{ Bindings: Bindings}>()

app.get('/', (c) => {
  console.log(c.env.incoming.url)
})

Related: #80 #90 #122

[yusukebe]

@beeequeue

Coool! I'll check it later.

[yusukebe]

@beeequeue

Looks great!

One thing, we could export the following Bindings types.

export type Bindings = {
  incoming: IncomingMessage
  outgoing: ServerResponse
}

I think users should import from @hono/node-server.

import type { Bindings } from '@hono/node-server'

cc: @Kyiro What do you think about this PR though I think you will say OK.

[Kyiro]

looks good to me

[yusukebe]

Looks great!

[yusukebe]

@beeequeue

I'll merge this now. Thanks!