Add compose file parameter and error handling

[devin-ai-integration]

Add compose file parameter and error handling

This PR adds:

1. An optional parameter to all commands in liquid stack to specify a custom docker-compose file path
2. Error handling to display a clear message when the docker-compose file is missing

Changes

• Added --compose-file parameter to launch, shutdown, and purge commands
• Added error checking in the DockerHelper.run_compose method
• Added try-except blocks to handle FileNotFoundError in all commands

Link to Devin run: https://app.devin.ai/sessions/6dd3e6202305475d894f57011bd82dee
Requested by: mengxiao.lin@liquid.ai

[devin-ai-integration]

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