* initial providers manager implementation
* misc license update
* spelling
* rename provider tests
* add provider tests
* reexport provider manager
* only update provider record if it changed
* small bug in getProvByKey
* pass providers to both constructors
* fix records retrieval
* disable cache during tests
* avoid redefining data
* adding back tests with cache
* use `.errorOption`
* proper err msg unpacking
Add CI workflow to run tests.
Add code coverage workflow that publishes results to CodeCov.
Add CI and coverage badges to README.
Bump asynctest to allow for `setupAll` and `teardownAll`.
Add local coverage nimble task.
Combine tests in to a testAll file.
