Refine Docker Compose Usage in Documentation

[dreglad]

This PR complements #6924 / #692. In addition to update syntax/naming conventions, this takes a step further by enhancing Docker Compose usage throughout the documentation and examples.

Summary of Changes

1. Removal of Deprecated version Field:

   • Removed the top-level version field from examples as it is deprecated and was used inaccurately in most cases.

2. Simplification by Removing Unnecessary links:

   • The links field at the service level is unnecessary and has no effect in the examples. Removing it simplifies the examples.

3. Update to Volume Mounts:

   • Removed the :cached suffix from volume mounts, which is specific to Mac and is now unnecessary. This keeps the examples platform-agnostic and simpler.

[ntrogh]

@dreglad Not sure why this PR was left lingering for so long... Apologies and thanks for making our docs better by contributing to it! 🙏