fix(package): update @angular/router to version 6.0.2

Closes #18

Author: greenkeeper[bot]

package.json

@@ -21,7 +21,7 @@
     "@angular/http": "^5.2.0",
     "@angular/platform-browser": "^5.2.0",
     "@angular/platform-browser-dynamic": "^5.2.0",
-    "@angular/router": "^5.2.0",
+    "@angular/router": "^6.0.2",
     "core-js": "^2.4.1",
     "rxjs": "^5.5.6",
     "zone.js": "^0.8.19",