Add test-coverage report

This patch should add the abiltiy to see the test-coverage as well

.gitlab-ci.yml

@@ -28,6 +28,7 @@ unit-test:
     reports:
       junit:
         - junit.xml
+  coverage: /All\sfiles.*?\s+(\d+.\d+)/
 
 dependency-audit:
   stage: test

package.json

@@ -24,7 +24,7 @@
     "format": "prettier --write \"./**/*.{js,json,md}\"",
     "format-check": "prettier --list-different \"./**/*.{js,json,md}\"",
     "test": "jest --coverage",
-    "test-gitlab": "jest --ci --reporters=default --reporters=jest-junit"
+    "test-gitlab": "jest --ci --reporters=default --reporters=jest-junit --coverage"
   },
   "authors": [
     {