Add Service call and versioning

[chipzoller]

Related issue

Closes #730
Fixes #747
Closes #753
Closes #755
Closes #758
Closes #763
Closes #767
Closes #785
Closes #801
Closes #814
Closes #815
Closes #817
Closes #818
Closes #827
Closes #829
Closes #844

Proposed Changes

• Adds docs for Service call, apiCall to K8s
• Updates versioning strategy
• Updates policy settings with all current fields (non-deprecated) under spec
• Expands the apiCall section with more details
• Adds the jmesPath field info in an imageExtractor to verifyImages page
• Adds trim_prefix() JMESPath docs
• Adds image_normalize() JMESPath docs
• Adds to_boolean() JMESPath docs
• Adds sum() JMESPath docs
• Updates items() JMESPath filter
• Updates x509_decode() JMESPath filter
• Adds a GitOps section to mutate docs
• Moves background scan page under Reporting and tweaks
• Reswizzles the Writing Policy sections
• Extends info on Policy Exceptions
• Extends reporting docs
• Adds operations to selection docs and updates most examples used throughout
• Optimize all JSON patch policy examples to use YAML formatting for patches and not JSON

Checklist

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