docs: add inkeep status command to CLI reference

[Rohan170603]

Summary

Document the inkeep status CLI command in the CLI Reference.

Background

The status command is referenced in the profile section as an API command (push, pull, status, login, logout), but lacks its own documentation section.

Changes

Adds a complete inkeep status section with:

• Command description
• --profile option
• Usage examples

Impact

Closes a documentation gap and improves CLI reference completeness for users.

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