#### 📖 Summary
- `Test-CredentialStoreItem` now returns `$false` and not a terminating error if store doesn't exists.
- Updates platyPS generated docs
#### 📑 Test Plan
> 💡 Select your test plan for the code changes.
- [x] Tested via Drone.io pipeline
- [ ] Custom test
- [ ] No test plan
##### Details / Justification
<!-- Add your test details or justification for missing tests here. -->
#### 📚 Additional Notes
- fixes#50
Co-authored-by: OCram85 <marco.blessing@googlemail.com>
Reviewed-on: OCram85/PSCredentialStore#66
