* Implement yaml extensions overwriting the default pod/container spec
* format files
* Extend specs for container job and include docker and k8s tests in k8s
* Create table tests for docker tests
* included warnings and extracted append logic as generic
* updated merge to allow for file read
* reverted back examples and k8s/tests
* reverted back docker tests
* Tests for extension prepare-job
* Fix lint and format and merge error
* Added basic test for container step
* revert hooklib since new definition for container options is received from a file
* revert docker options since create options are a string
* Fix revert
* Update package locks and deps
* included example of extension.yaml. Added side-car container that was missing
* Ignore spec modification for the service containers, change selector to
* fix lint error
* Add missing image override
* Add comment explaining merge object meta with job and pod
* fix test
* fixing issue related to setting hostPort and containerPort when format is port/proto
* added one more test case and refactored containerPorts to be without regexp
* added throw on ports outside of (0,65536) range with test
* repaired error message and added tests to multi splits. refactored port checking
* fixed substring issue with /github/workspace and /github/file_commands
* npm run format
* last 3 parts of the path are mounted to /github/workspace and /github/file_commands
* file commands now point to _temp/_runner_file_commands
