Support Docker secrets

[Openuser87]

Govee Device SKU

any

Govee2MQTT Version

any

Describe the issue

Support Docker secrets mechanism for variables containing credentials. Provide *_FILE variables to read secrets from files for Govee account user / password, API key, maybe MQTT broker user credentials.

Description: Manage sensitive data with Docker secrets | Docker Docs.

Startup Diagnostics

not relevant

Additional Logs

No response

Home Assistant Logs

No response

Anything else?

No response