add ydb2 schema, add some crazy types to render to json

[adameat]

Changelog entry

add ydb2 schema, add some crazy types to render to json
closes #8043

Changelog category

• New feature
• Not for changelog (changelog entry is not required)

[github-actions]

⚪ 2024-10-15 10:21:40 UTC Pre-commit check linux-x86_64-release-asan for 077f7ae has started.
⚪ 2024-10-15 10:21:50 UTC Artifacts will be uploaded here
⚪ 2024-10-15 10:24:43 UTC ya make is running...
🟡 2024-10-15 11:47:26 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?
10187	9947	0	70	66	104

🟢 2024-10-15 11:48:18 UTC Build successful.
🟡 2024-10-15 11:48:49 UTC ydbd size 5.7 GiB changed* by +125.7 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: bc2bf72	merge: 077f7ae	diff	diff %
ydbd size	6 099 035 512 Bytes	6 099 164 224 Bytes	+125.7 KiB	+0.002%
ydbd stripped size	1 520 972 304 Bytes	1 521 011 344 Bytes	+38.1 KiB	+0.003%

^{*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]

⚪ 2024-10-15 10:22:56 UTC Pre-commit check linux-x86_64-relwithdebinfo for 077f7ae has started.
⚪ 2024-10-15 10:23:02 UTC Artifacts will be uploaded here
⚪ 2024-10-15 10:25:53 UTC ya make is running...
🟡 2024-10-15 11:11:28 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14964	13474	0	3	1384	103

⚪ 2024-10-15 11:12:44 UTC ya make is running... (failed tests rerun, try 2)
🟢 2024-10-15 11:24:12 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
105 (only retried tests)	7	0	0	0	98

🟢 2024-10-15 11:24:19 UTC Build successful.
🟢 2024-10-15 11:24:35 UTC ydbd size 2.8 GiB changed* by +74.5 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: bc2bf72	merge: 077f7ae	diff	diff %
ydbd size	3 010 491 544 Bytes	3 010 567 848 Bytes	+74.5 KiB	+0.003%
ydbd stripped size	477 535 192 Bytes	477 545 496 Bytes	+10.1 KiB	+0.002%

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