fix: include dot-files support in glob selection

[benPearce1]

[sc-40495]

Using the following action yaml

      - name: Run build script
        run: | 
          mkdir work
          cd work
          echo "test output" > .dotfile
          cat .dotfile
          touch test.txt
          touch no-extension
        shell: bash
      - name: Create Zip Package for Octopus Deploy
      # You may pin to the exact commit or the version.
        uses: OctopusDeploy/create-zip-package-action@06107900912e6dc6be9a56f4340cd54a8024c61a
        with:
          package_id: output
          version: 1.0.0
          output_folder: ./pack
          base_path: .
          files: |
            work/**/*

produces a zip file with the following contents:

Also, added a developers guide

[shortcut-integration]

This pull request has been linked to Shortcut Story #40495: Dot-files are not included by default in pack commands.

[slewis74]

couple of suggestions for the dev guide