message: For Github actions CI add caching to reduce build time (by a lot)
diff: @@ -22,6 +22,10 @@ jobs:
  name: Node ${{ matrix.node }}
  steps:
  - uses: actions/checkout@v2
  + - uses: actions/cache@v2
  + with:
  + path: '**/node_modules'
  + key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
  - name: Setup node
  uses: actions/setup-node@v1
  with:
  