Suggestions for swagger

[dongsam]

Description

top-level text review for accuracy and clarity for Swagger HTTP API doc (2.1.1) command list

closes: #XXXX

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Before we can merge this PR, please make sure that all the following items have been
checked off. If any of the checklist items are not applicable, please leave them but
write a little note why.

• 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

[codecov]

Codecov Report

Merging #172 (d6257b1) into develop (1572795) will increase coverage by 1.15%.
The diff coverage is 80.43%.

❗ Current head d6257b1 differs from pull request most recent head e433547. Consider uploading reports for the commit e433547 to get more accurate results

@@             Coverage Diff             @@
##           develop     #172      +/-   ##
===========================================
+ Coverage    79.45%   80.61%   +1.15%     
===========================================
  Files           20       20              
  Lines         2259     2291      +32     
===========================================
+ Hits          1795     1847      +52     
+ Misses         261      240      -21     
- Partials       203      204       +1     

Impacted Files	Coverage Δ
x/liquidity/types/utils.go	100.00% <ø> (ø)
x/liquidity/keeper/invariants.go	56.41% <50.98%> (-38.33%)	⬇️
x/liquidity/simulation/operations.go	75.09% <64.81%> (ø)
x/liquidity/types/liquidity_pool.go	76.25% <73.07%> (-7.32%)	⬇️
x/liquidity/keeper/liquidity_pool.go	77.69% <79.92%> (+1.69%)	⬆️
x/liquidity/types/genesis.go	81.81% <83.33%> (ø)
x/liquidity/keeper/swap.go	85.60% <84.00%> (+23.67%)	⬆️
x/liquidity/keeper/genesis.go	80.95% <87.50%> (+0.95%)	⬆️
x/liquidity/types/swap.go	81.27% <88.00%> (+1.40%)	⬆️
x/liquidity/keeper/store.go	88.77% <90.62%> (-0.04%)	⬇️
... and 7 more

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[barriebyron]

Review scope is limited to top-level command list as seen on https://app.swaggerhub.com/apis-docs/bharvest/cosmos-sdk_liquidity_module_rest_and_g_rpc_gateway_docs/2.1.1