Add ibc-query module to testing SimApp

[Woojinger]

Description

For unit test, it requires adding ibc-query module to SimApp. This PR implements the functions required for SimApp to run and modifies proto files according to the convention.

• implements the files for SimApp to run
  • keeper.go, codec.go, genesis.go, keys.go... etc
• modify proto files according to the convention
• add ibc-query module to SimApp
• add simple test code: msg_server_test.go (not complete yet)

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• [ ] Targeted PR against correct branch (see CONTRIBUTING.md)
• [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• [ ] Code follows the module structure standards.
• [ ] Wrote unit and integration tests
• [ ] Updated relevant documentation (docs/) or specification (x/<module>/spec/)
• [ ] Added relevant godoc comments.
• [ ] Added a relevant changelog entry to the Unreleased section in CHANGELOG.md
• [ ] Re-reviewed Files changed in the Github PR explorer
• [ ] Review Codecov Report in the comment section below once CI passes