Problem: no object kvStore service for runtime

[mmsqe]

Closes: #XXX

Description

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For contributor use:

• 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

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For admin use:

• Added appropriate labels to PR (ex. WIP, R4R, docs, etc)
• Reviewers assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.17%. Comparing base (b602a26) to head (68cebeb).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #572   +/-   ##
========================================
  Coverage    46.17%   46.17%           
========================================
  Files          181      181           
  Lines        18153    18153           
========================================
  Hits          8383     8383           
  Misses        9050     9050           
  Partials       720      720           

Files with missing lines	Coverage Δ
app/app.go	77.79% <100.00%> (ø)

[thomas-nguy]

May be needed sdk 0.52 v2