fix package.json

package-lock.json

@@ -1829,6 +1829,12 @@
       "integrity": "sha512-qcUXuemtEu+E5wZSJHNxUXeCZhAfXKQ41D+duX+VYPde7xyEVZci+/oXKJL13tnRs9lR2pr4fod59GT6/X1/yQ==",
       "dev": true
     },
+    "@types/luxon": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/@types/luxon/-/luxon-2.0.7.tgz",
+      "integrity": "sha512-AxiYycfO+/M4VIH0ribSr2iPFC+APewpJIaQSydwVnzorK3mjSFXkA3HmhQidGx44MpwaatFyEkbW/WD4zdDaQ==",
+      "dev": true
+    },
     "@types/node": {
       "version": "12.20.37",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.20.37.tgz",

package.json

@@ -28,6 +28,7 @@
     "@angular/cli": "~13.0.2",
     "@angular/compiler-cli": "~13.0.0",
     "@types/jasmine": "~3.10.0",
+    "@types/luxon": "^2.0.7",
     "@types/node": "^12.11.1",
     "jasmine-core": "~3.10.0",
     "karma": "~6.3.0",