chore(utils): Move cf module (#1831)

* move cloudflare

* typo

* fix import order

* rename

* missing import

src/adapter/cloudflare-workers/serve-static.ts

@@ -1,9 +1,9 @@
 // @denoify-ignore
 import type { KVNamespace } from '@cloudflare/workers-types'
 import type { MiddlewareHandler } from '../../types'
-import { getContentFromKVAsset } from '../../utils/cloudflare'
 import { getFilePath } from '../../utils/filepath'
 import { getMimeType } from '../../utils/mime'
+import { getContentFromKVAsset } from './utils'
 
 export type ServeStaticOptions = {
   root?: string

src/adapter/cloudflare-workers/utils.test.ts

@@ -1,4 +1,4 @@
-import { getContentFromKVAsset } from './cloudflare'
+import { getContentFromKVAsset } from './utils'
 
 // Mock
 const store: { [key: string]: string } = {