Save site to public dir

So it can be picked up by GitLab Pages

.gitignore

@@ -99,7 +99,7 @@ dist
 .cache/
 # Comment in the public line in if your project uses Gatsby and not Next.js
 # https://nextjs.org/blog/next-9-1#public-directory-support
-# public
+public
 
 # vuepress build output
 .vuepress/dist

package.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "description": "",
   "scripts": {
-    "build": "parcel build --public-url . src/index.html",
+    "build": "parcel build --public-url . --dist-dir public/ src/index.html",
     "start": "parcel src/index.html"
   },
   "author": "Jake Howard",