Packer Templates to create images for Orka Desktop

[jasoncdavis0]

Is your feature request related to a problem? Please describe.
Users would like to use packer templates to create images that can be used with Orka Desktop

Additional context
Some discussion in #2

[144mb]

related: it would be great if Orka Desktop was open source so everyone can hack on it and adopt it to new use cases such as this one (see #5 )