[Epic] Document TT CLI - Part 1

[patiencedaur]

Dev board ref.:
https://github.com/tarantool/roadmap-internal/issues/59
tarantool/tt#8

PM ref.: https://www.notion.so/tarantool/TT-CLI-80cbe807b1d14aaa92a32f936d5271af

Unified command-line interface for Tarantool.

SME: @ LeonidVas

Followed-up by #3168

Tasks

Create a Cartridge CLI-style reference.

Batch 1 (10sp)

• [2pt] Intro to TT CLI #2554
• tt CLI installation #2976
• [2pt] List of TT commands and their short descriptions #2555
• [3pt] TT CLI path config section #2566

Batch 2 (22sp)

Refer to how Cartridge CLI is written.

• Describe tt extensibility principle #3004
• [5pt] tt start, tt stop, tt status, tt restart #2556
• tt version, tt completion, tt help #2997
• [2pt] tt check #2557
• [3pt] tt logrotate #2558
• [2pt] tt connect #2559
• [2pt] tt rocks #2560
• tt play, tt cat #2998

Batch 3 (8sp) -- completed in Q3 22

• tt coredump #3000
• tt multiinstance applications #3130

Total: 40sp -- TBD

Other tt doc tasks are moved to #3168

Details

https://github.com/tarantool/tt - installation instructions and available commands in the tt readme.

We might also need man pages for tt commands.