Merge pull request #2626 from angular-fullstack/exclude-ts-spec-files

fix(ts): exclude typescript spec files generating errors on transpilling

Author: Awk34

templates/app/tsconfig(ts).json

@@ -20,7 +20,8 @@
     "./node_modules/@types/"
   ],
   "exclude": [
-    "node_modules"
+    "node_modules",
+    "client/**/*.spec.ts"
   ],
   "filesGlob": [
     "client/{app,components}/**/!(*.spec).ts"