Simple healthcheck

[kentbull]

Useful for Kubernetes readinessProbe and livenessProbe

[codecov]

Codecov Report

Merging #97 (249522a) into development (05c7eab) will decrease coverage by 0.04%.
Report is 6 commits behind head on development.
The diff coverage is 66.66%.

❗ Current head 249522a differs from pull request most recent head da446a9. Consider uploading reports for the commit da446a9 to get more accurate results

@@               Coverage Diff               @@
##           development      #97      +/-   ##
===============================================
- Coverage        88.20%   88.16%   -0.04%     
===============================================
  Files               30       30              
  Lines             4789     4792       +3     
===============================================
+ Hits              4224     4225       +1     
- Misses             565      567       +2     

Files Changed	Coverage Δ
src/keria/app/agenting.py	81.11% <66.66%> (-0.21%)	⬇️

... and 4 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[pfeairheller]

Fix the broken tests and this will be good to go. A simple "is alive" on the boot interface is fine for now.

[kentbull]

looks like I'm hitting a merge conflict because of the recent changes on development. I'll close this PR and open a new once since I'm using the commit this particular branch branched off of in another context.

[kentbull]

#144 addresses this