feat: better version and container handling

[briangreunke]

Better container handling for local Platform

Key Changes:

• uses container names to check available and required containers before login attempts
• better checking of running
• uses version tags vs sha hashes in env vars
• renamed some of the env var files and service names (specific to Dreadnode)

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Generated Summary:

• Updated the PlatformService literal to use "dreadnode-api" and "dreadnode-ui" instead of "api" and "ui".
• Introduced new functions in docker_.py:
  • _build_docker_compose_base_command: Constructs the base Docker Compose command from the selected version.
  • get_required_service_names: Retrieves required service names from the Docker Compose file.
• Enhanced the equality check (__eq__) in the DockerImage class to compare digests and tags conditionally.
• Removed redundant checks for Docker and Docker Compose installations, refactoring them into newly defined functions.
• Revised the get_available_local_images method to skip the header line when parsing Docker images.
• Cleaned up the platform_is_running function to use the newly added get_required_service_names for service checks.
• These changes aim to improve service management and overall code clarity in Docker handling within the project.

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