fix: types path for ipfs-core (#3356)

For some reason you need to add `/src` after `ipfs-core` otherwise the import in the generated `index.d.ts` has the wrong path.
    
Must fix properly before the next release.

Co-authored-by: Irakli Gozalishvili <[email protected]>

Author: achingbrain

packages/ipfs/src/index.js

@@ -1,11 +1,7 @@
-/* eslint-disable jsdoc/valid-types */
 'use strict'
 
-const IPFS = require('ipfs-core')
-
-/**
- * @typedef { ReturnType<typeof IPFS['create']> extends Promise<infer U>
- * ? U : never } IPFS
- */
+// TODO: Fix TS issue that prevents use of require('ipfs-core') instead
+// https://github.com/ipfs/js-ipfs/issues/3358
+const IPFS = require('ipfs-core/src')
 
 module.exports = IPFS