[TCM] tt web terminal in TCM

[p7nov]

Product: Tarantool Cluster Manager
Since: TCM 1.1.0, Tarantool 3.0
Audience/target: all
Root document: new page in https://www.tarantool.io/en/doc/latest/reference/tooling/tcm/ (?)
SME: @ filonenko-mikhail

Details

TCM 1.1.0 provides a web terminal that connects to instances with tt connect.

TBD: Before starting this task, check if more tt commands are supported in newer TCM versions.