docs: note about existing content at same path on different branches

vintro

2023-08-14 f1c9ca495e450ecb62dade70c4b60d86e106f79c

 content/hosting.md

@@ -55,8 +55,8 @@
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0    # Fetch all history for git info
     - uses: actions/setup-node@v3
          fetch-depth: 0 # Fetch all history for git info
      - uses: actions/setup-node@v3
        with:
          node-version: 18.14
      - name: Install Dependencies