Update documentation

[chonthu]

name: CI
# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the master branch
on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest
    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2
      - run: |
          git fetch --prune --unshallow

      - name: GitHub Action for WP Engine Git Deployment
        uses: jovrtn/github-action-wpengine-git-deploy@0.1.2
        env:
          WPENGINE_ENVIRONMENT_NAME: 'SITE_NAME_GOES HERE'
          WPENGINE_SSH_KEY_PRIVATE: ${{ secrets.WPENGINE_SSH_KEY_PRIVATE }}
          WPENGINE_SSH_KEY_PUBLIC: ${{ secrets.WPENGINE_SSH_KEY_PUBLIC }}```

[ibdf]

      - run: |
          git fetch --prune --unshallow

@chonthu thanks for the above.

I had to remove brackets from "[ master ]"

But otherwise this worked great.