fix: changed how key is generated for datastore.save to prevent duplicate entries. Key is now the name of the package (#8)

modified how key is generated for datastore.save

Author: serratedserenade

plugins/verdaccio-google-cloud/src/data-storage.js

@@ -79,7 +79,7 @@ class GoogleCloudDatabase implements IPluginStorage {
 
   add(name: string, cb: Callback): void {
     const datastore = this.data.datastore;
-    const key = datastore.key(this.kind);
+    const key = datastore.key([this.kind, name]);
     const data = {
       name: name
     };