Add token to workflow and .npmrc

.github/workflows/CI.yml

@@ -3,9 +3,13 @@ on: pull_request
 jobs:
   Check_linting_test_and_build:
     runs-on: ubuntu-latest
+    env:
+      NPM_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
-    - name: Check out repository code
-      uses: actions/checkout@v2
+    - uses: actions/checkout@v2
+    - uses: actions/setup-node@v2
+      with:
+        node-version: 12
     - name: Install dependencies
       run: npm ci
     - name: Run ESLint