Add `node_modules` import support

Currently, imports from `node_modules` are not supported.
Node modules import support can be added after here
https://github.com/ethential/code-remix/commit/3e78ca61e0a95877219b3bfe82fd16651fc72187#diff-ccc24346d8dba955030d85b0cefd4d20e25cad90d6eac0b60bca2af1e4b153ff