Incorrect objects spec due to incorrect indentation

[grnadav]

Describe the bug
In 3 occasions a wrong indentation leads to incorrect configuration/spec of the object

To Reproduce
Use any Swagger/OpenAPI validation to inspect the objects:

• Order book->bids min/max items
• Order book->asks min/max items
• Leverage info->brackets required items
• other indentation issues

Expected behavior
Correct spec validation for objects

Screenshots
none

Environment (please complete the following information):

• Version of binance-api-swagger: any
• Tool name and version [e.g openapi-typescript version 4.4.0]: any

Additional context
none