* add new apis
* add payloads
* create snapshot status type
* add some impl
* finish implementing update
* start implementing build snapshot func
* add more fake build logic
* add cancel endpoint. do some cleanup
* implement GetSnapshot
* implement upload snapshot
* merge onprem status with gms result
* get it working
* update comment
* rename list endpoint
* add query limit and offset
* add helper method to snapshot
* little bit of cleanup
* work on swagger annotations
* manual merge
* generate swagger specs
* clean up curl commands
* fix bugs found during final testing
* fix linter issue
* fix unit test
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