Add types for ESM and CJS

[eatsjobs]

Types were generated with some relative paths for example
declare function initSsr(content: any, ...rest: any[]): typeof import("./keyed.js");
causing type resolution to fail if outDir is a different folder like types

The fix is to just let the types live aside the src files to let relative path resolution working.

I also added a small tool to check types are not wrong in different configuration.

To check types are not wrong run:
npm run build && npm run are-types-wrong to check it.

[WebReflection]

Uhm ... OK, this out of the build passes CI but it breaks locally:

> uhtml@4.6.0 postbuild
> npx tsc -p tsconfig.json && npx tsc -p tsconfig.cjs.json

error TS2318: Cannot find global type 'Array'.

error TS2318: Cannot find global type 'Boolean'.

error TS2318: Cannot find global type 'CallableFunction'.

error TS2318: Cannot find global type 'Function'.

error TS2318: Cannot find global type 'IArguments'.

error TS2318: Cannot find global type 'NewableFunction'.

error TS2318: Cannot find global type 'Number'.

error TS2318: Cannot find global type 'Object'.

error TS2318: Cannot find global type 'RegExp'.

error TS2318: Cannot find global type 'String'.

error TS2688: Cannot find type definition file for 'estree'.
  The file is in the program because:
    Entry point for implicit type library 'estree'

error TS2688: Cannot find type definition file for 'istanbul-lib-coverage'.
  The file is in the program because:
    Entry point for implicit type library 'istanbul-lib-coverage'

error TS2688: Cannot find type definition file for 'resolve'.
  The file is in the program because:
    Entry point for implicit type library 'resolve'

error TS6053: File '/home/ag/git/uhtml/node_modules/typescript/lib/lib.esnext.full.d.ts' not found.
  The file is in the program because:
    Default library for target 'esnext'

  tsconfig.json:4:15
    4     "target": "esnext",
                    ~~~~~~~~
    File is default library for target specified here.


Found 14 errors.

I can't update with this MR ... I did a mistake rushing it.