V1: Query Cli and Endpoint API Implementation

[dongsam]

Cli query and HTTP API specification implementation based on the specification of v1. This will include gRPC as well as HTTP API.

Cli Query Spec

• get budget module params
  budgetd query budget params
• get budgets
  budgetd query budget budgets
  • flags
    • budget_source_address
    • collection_address
    • name
• derive address

Query Endpoint Spec

• get budget module params
  /cosmos/budget/v1beta1/params

• get budgets
  /cosmos/budget/v1beta1/budgets

  • query strings
    • budget_source_address
    • collection_address
    • name

• derive address

required

• Set swagger generate script
• Publish Swagger Spec on web (swaggerHub or etc)
• Add detailed description and example, error cases on proto, generated-swagger
• Write Testcodes