#### 📖 Summary
- adds DroneHelper for build pipeline
#### 📑 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
- FileLint / Lint & Pester issues will be fixed in next PR
Co-authored-by: OCram85 <marco.blessing@googlemail.com>
Reviewed-on: OCram85/PSCredentialStore#61
## About
This pull request reflects all changes done in the `linuxsupport` branch.
## Content
- Enable PowerShell 6 Core support
- Use PFX Certificate for encryption ( fixes#32 )
- Updates CI / CD pipeline ( fixes#31 )
- uses portable libressl ( fixes#34 )
- adds `-PassThru` switch for returning current `VIServer` session in `Connect-To` ( fixes#34 )
- adds git lfs for embedded libressl files
- restructured internal functions into `Private` dir
- added certificate related functions
- adds travis build pipeline for tests
- fix pester test execution order in vscode test task.
- fix coveralls.io link in bagde.
- skip coverage report creation for PR triggered builds
- update docs
- Connection type SCP added for `Connect-To` and `Disconnect-From`.
## Internal Changes
- pester tests now don't need to dotsource other public functions from the same module (fixes#17 )
- helper and private functions stilll needs to be dotsourced.
- basic module tests added
- pester tests for `Resolve-Dependency` added
- Wrapper function `Get-ModuleBase` added. This enables mocking in tests.
