Added cat-service Project - generated via 'ng g library cat-service'

package.json

@@ -28,6 +28,7 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "~0.12.0",
+    "@angular-devkit/build-ng-packagr": "~0.12.0",
     "@angular/cli": "~7.2.1",
     "@angular/compiler-cli": "~7.2.0",
     "@angular/language-service": "~7.2.0",
@@ -42,8 +43,11 @@
     "karma-coverage-istanbul-reporter": "~2.0.1",
     "karma-jasmine": "~1.1.2",
     "karma-jasmine-html-reporter": "^0.2.2",
+    "ng-packagr": "^4.2.0",
     "protractor": "~5.4.0",
     "ts-node": "~7.0.0",
+    "tsickle": ">=0.34.0",
+    "tslib": "^1.9.0",
     "tslint": "~5.11.0",
     "typescript": "~3.2.2"
   }