feat: rename repo to wowchemy-hugo-themes

Except repo name in module names as that would be a breaking change

test/content/admin/index.md

@@ -1,6 +1,7 @@
 ---
 # Generate Wowchemy CMS
 type: wowchemycms
+private: true
 outputs:
   - wowchemycms_config
   - HTML

test/package.json

@@ -3,7 +3,7 @@
   "version": "0.0.1",
   "description": "Wowchemy Test Build",
   "main": "",
-  "repository": "https://github.com/wowchemy/wowchemy-hugo-modules",
+  "repository": "https://github.com/wowchemy/wowchemy-hugo-themes",
   "author": "George Cushen",
   "license": "MIT",
   "private": true,