Create database in UI

[artemmufazalov]

Add create DB button and form to UI. It should use external meta handler.

Figma: https://nda.ya.ru/t/bokxo3ed7BweiQ

What should be done:

• Create DB button in Databases Table
• Form with DB setup
• Form loading view when create DB form action is triggered
• Form error view when DB cannot be created (lack of rights, not enough resources, etc.)
• Create DB success toaster
• Create DB error toaster

[antonkovalenko]

Let's not forget to show:

• group kind - user must be able to select hdd/ssd for groups when backend allows
• number of groups to create. How many groups could be assigned to the database being created

[artemmufazalov]

Swagger:
https://nda.ya.ru/t/FupTw2IS7CuQwE

Protos:
https://github.com/ydb-platform/ydb/blob/main/ydb/public/api/client/yc_private/ydb/v1/database_service.proto#L189
https://github.com/ydb-platform/ydb/blob/main/ydb/public/api/client/yc_private/ydb/v1/database.proto#L183