v0.9.3

[Build] Remove SNAPSHOT status

...to tag end of release Gibson,
https://github.com/nasa/openmct/milestones/Gibson

v0.9.2

[Build] Remove snapshot status

...to close sprint Ellison,
https://github.com/nasa/openmctweb/milestones/Ellison

v0.9.1

[Build] Add npmignore to allow packing

Add .npmignore to facilitate packing of package with npm pack.