Update README image source from 'apollo' to 'ares' to reflect correct branding.
Add linux/arm64/v8 to Docker build platforms for broader ARM architecture support.
Use the dedicated GHCR_TOKEN secret instead of the default GITHUB_TOKEN for pushing Docker images to GitHub Container Registry. This ensures proper authentication and permissions for the container registry operations.
Also add the "ares" agent image reference to the config.json to include the latest Ares Mythic image from GHCR.
Update the GitHub Actions workflow and Dockerfile to reflect the renaming of the payload type directory from 'apollo' to 'ares'. This ensures the Docker image is built from the correct source directory and dependencies are fetched from the updated location.
