relative folder

src/model/cache.js

@@ -25,6 +25,7 @@ class Cache {
   }
 
   static async save() {
+    console.log(`saving to ${Unity.libraryFolder}`);
     await tc.cacheDir(Unity.libraryFolder, 'library', this.libraryKey);
   }
 }

src/model/unity.js

@@ -1,6 +1,9 @@
+import Input from './input';
+
 class Unity {
   static get libraryFolder() {
-    return 'Library';
+    const { projectPath } = Input.getFromUser();
+    return `${projectPath}/'Library'`;
   }
 }