Introduced CapabilityUtils

[mreiche]

Description

Introduced public API for CapabilityUtils with DefaultCapabilityUtils implementation which combines the formerly WebDriverCapabilityLogHelper and a requested feature for setting absent capability from https://github.com/telekom/testerra-appium-connector/pull/9/files

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules