Add download theme command (#9)

* Add a new command: trb new theme theme-name that uploads and unzips the theme

Author: nikola-wd

.github/workflows/npm-publish.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '14.19.1'
+          node-version: '20.10.0'
           registry-url: 'https://registry.npmjs.org'
 
       - name: Install Dependencies