[TCM] How-to: security configuration

**Product:** Tarantool Cluster Manager
**Since:** TCM 1.0.0, Tarantool 3.0
**Audience/target:** dev/admin
**Root document:** new page in the TCM section
**SME:** @ filonenko-mikhail 

# Details

TBD: find out good security practices and real-life configuration cases.

Write how-to instructions on configuring TCM to implement these cases.