chore: include angular as dev dependency

Author: bahmutov

package.json

@@ -79,6 +79,7 @@
     "semantic-release": "semantic-release"
   },
   "devDependencies": {
+    "angular": "1.6.9",
     "ban-sensitive-files": "1.9.2",
     "dependency-check": "3.1.0",
     "deps-ok": "0.0.0-development",