[Epic] TCF: future plans

[xuniq]

This epic includes tickets for the upcoming TCF releases.

GH repo: https://github.com/tarantool/cluster-federation
SME: @ DifferentialOrange @ oleg-jukovec @ Андрей Капустин (PM)
Release date: TBD
Branch: latest (0.3.0+)
TCF release: TBD
Jira epic: ?

Total estimation: ≈

Details

• TCF: support authorization for HTTP API #4543
• TCF (Future plans): support dictionaries in TDB #5022
• TCF (Future plans): support the third data center #5026
• TCF: config storage doesn't require space permissions anymore #5195