address PR feedback: use luxon, remove unused route, update styling

Signed-off-by: Christine Yi <ohchristineyi@gmail.com>

plugins/firehydrant/package.json

@@ -4,6 +4,7 @@
   "main": "src/index.ts",
   "types": "src/index.ts",
   "license": "Apache-2.0",
+  "private": false,
   "publishConfig": {
     "access": "public",
     "main": "dist/index.esm.js",
@@ -27,7 +28,7 @@
     "@material-ui/core": "^4.12.2",
     "@material-ui/icons": "^4.9.1",
     "@material-ui/lab": "4.0.0-alpha.45",
-    "moment": "^2.29.1",
+    "luxon": "^1.27.0",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
     "react-use": "^17.2.4"