initial app set up

- guppy setup
- file structure organizing
- scss set up
- basic routing

package.json

@@ -6,8 +6,10 @@
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.5.0",
     "@testing-library/user-event": "^7.2.1",
+    "node-sass": "^4.14.1",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
+    "react-router-dom": "^5.2.0",
     "react-scripts": "3.4.3"
   },
   "scripts": {
@@ -39,4 +41,4 @@
     "color": "#c41d00",
     "createdAt": 1599238271258
   }
-}
+}