Replace moment with date-fns

package.json

@@ -118,6 +118,7 @@
     "connect-mongo": "6.0.0",
     "cookie-parser": "1.4.4",
     "core-js": "3.2.1",
+    "date-fns": "^4.1.0",
     "del": "8.0.1",
     "delta-e": "0.0.8",
     "errorhandler": "1.5.1",
@@ -157,7 +158,6 @@
     "markdown-tree": "0.0.0",
     "merge2": "1.2.4",
     "mocha": "6.2.0",
-    "moment": "2.24.0",
     "mongoose": "9.3.2",
     "morgan": "1.9.1",
     "ngx-bootstrap": "18.0.1",