DNM: app wiring POC

[aaronc]

ref: #9182

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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

[lgtm-com]

This pull request introduces 1 alert when merging 66ce471 into cb66c99 - view on LGTM.com

new alerts:

• 1 for Unreachable statement

[lgtm-com]

This pull request introduces 1 alert when merging ce46d86 into 917fb76 - view on LGTM.com

new alerts:

• 1 for Useless assignment to field

[lgtm-com]

This pull request introduces 1 alert when merging da9ea79 into 917fb76 - view on LGTM.com

new alerts:

• 1 for Useless assignment to field

[lgtm-com]

This pull request introduces 1 alert when merging b0a9347 into 2ae7875 - view on LGTM.com

new alerts:

• 1 for Useless assignment to field