[internals] Create @vercel-internals/types (#9608)

Moves the type file out of the cli package and into its own standalone
package. utilizes `@vercel/style-guide` too for typescript config,
eslint, and prettier.

packages/cli/src/util/dev/server.ts

@@ -85,7 +85,7 @@ import {
   HttpHeadersConfig,
   EnvConfigs,
 } from './types';
-import { ProjectSettings } from '../../types';
+import { ProjectSettings } from '@vercel-internals/types';
 import { treeKill } from '../tree-kill';
 import { applyOverriddenHeaders, nodeHeadersToFetchHeaders } from './headers';
 import { formatQueryString, parseQueryString } from './parse-query-string';