Allow to describe index table through ydb cli

[CyberROFL]

Changelog entry

It is now allowed to describe index table using ydb cli scheme describe <table_path>/<index_name>.

Changelog category

• Improvement

Additional information

...

[github-actions]

⚪ 2024-11-28 14:56:20 UTC Pre-commit check linux-x86_64-release-asan for eecaf00 has started.
⚪ 2024-11-28 14:56:32 UTC Artifacts will be uploaded here
⚪ 2024-11-28 14:59:41 UTC ya make is running...
🟡 2024-11-28 16:34:57 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
13206	13133	0	16	8	49

🟢 2024-11-28 16:36:04 UTC Build successful.
🟢 2024-11-28 16:36:33 UTC ydbd size 4.9 GiB changed* by +21.0 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 2f89980	merge: eecaf00	diff	diff %
ydbd size	5 281 015 488 Bytes	5 281 037 040 Bytes	+21.0 KiB	+0.000%
ydbd stripped size	1 361 303 664 Bytes	1 361 305 968 Bytes	+2.2 KiB	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2024-11-28 14:58:41 UTC Pre-commit check linux-x86_64-relwithdebinfo for eecaf00 has started.
⚪ 2024-11-28 14:58:53 UTC Artifacts will be uploaded here
⚪ 2024-11-28 15:01:59 UTC ya make is running...
🟢 2024-11-28 16:04:06 UTC Tests successful.

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
20891	19384	0	0	1395	112

🟢 2024-11-28 16:05:47 UTC Build successful.
🟡 2024-11-28 16:06:06 UTC ydbd size 2.5 GiB changed* by +332.2 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: 6067a04	merge: eecaf00	diff	diff %
ydbd size	2 686 332 624 Bytes	2 686 672 808 Bytes	+332.2 KiB	+0.013%
ydbd stripped size	482 193 968 Bytes	482 257 232 Bytes	+61.8 KiB	+0.013%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}