ci(circle): Attempts GH Pages CI.

Author: ryasmi

package.json

@@ -13,7 +13,7 @@
     "dist"
   ],
   "scripts": {
-    "build": "npm run clean && parcel build src/index.html",
+    "build": "npm run clean && parcel build src/index.html --public-url ./",
     "dev": "npm run clean && parcel src/index.html",
     "lint": "tslint --project ./tsconfig.json",
     "test": "mocha $(find dist -name '*.test.js') --exit",