Add templates for ALTER statements

[SloNN]

for all kinds of entities: row-based table, column-based, topics.

[SloNN]

Accidentially found it here. I think we should add a more obvious place to show this.

[antonkovalenko]

Will be improved in #1153

[antonkovalenko]

@antonkovalenko will hadd query templates for alter table (sec indexes and friends), topics and other entities.
queries are to be places to right menu and three dots

[artemmufazalov]

@antonkovalenko all template are here:

"New SQL" button:
https://github.com/ydb-platform/ydb-embedded-ui/blob/main/src/containers/Tenant/utils/newSQLQueryTemplates.ts

Dots in schema tree:
https://github.com/ydb-platform/ydb-embedded-ui/blob/main/src/containers/Tenant/utils/schemaQueryTemplates.ts