Sphinx panels

[NickVolynkin]

Connected with #2381

• 1. https://www.tarantool.io/en/doc/latest/
• 2. https://www.tarantool.io/en/doc/latest/getting_started/
• 3. https://www.tarantool.io/en/doc/latest/reference/reference_rock/vshard/vshard_index/
• 4. https://www.tarantool.io/en/doc/latest/book/app_server/
• 5. https://www.tarantool.io/en/doc/latest/book/admin/
• 6. https://www.tarantool.io/en/doc/latest/book/replication/
• 7. https://www.tarantool.io/en/doc/latest/reference/
• 8. https://www.tarantool.io/en/doc/latest/reference/reference_sql/
• 9. https://www.tarantool.io/en/doc/latest/reference/reference_rock/
• 10. https://www.tarantool.io/en/doc/latest/reference/reference_rock/vshard/
• 11. https://www.tarantool.io/en/doc/latest/dev_guide/reference_capi/
• 12. https://www.tarantool.io/en/doc/latest/dev_guide/internals/
• 13. https://www.tarantool.io/en/doc/latest/tutorials/
• 14. https://www.tarantool.io/en/doc/latest/contributing/
• 15. https://www.tarantool.io/en/doc/latest/dev_guide/build_contribute_index/
• 16. https://www.tarantool.io/en/doc/latest/dev_guide/guidelines_index/
• 17. https://www.tarantool.io/en/doc/latest/contributing/docs/

Cartridge:

1. https://www.tarantool.io/en/doc/latest/book/cartridge/ (?)
2. https://www.tarantool.io/en/doc/latest/book/cartridge/README/#next-steps
3. https://www.tarantool.io/en/doc/latest/book/cartridge/cartridge_cli/