Rename to id.js

scripts/core/index.js

@@ -9,5 +9,5 @@ exports.playlist = require('./playlist')
 exports.store = require('./store')
 exports.markdown = require('./markdown')
 exports.api = require('./api')
-exports.cid = require('./cid')
+exports.id = require('./id')
 exports.blocklist = require('./blocklist')