Productionising

Updates to use official Eziriz' binaries.
Adds the additional command line option.
Removes the need for the licence file to be required.

Adds License file

Adds a required licence file, that is require to run the non-evaluation version of .NET Reactor.
Ensures that binaries are only downloaded once, if there are multiple runs.
Updates the Colour, and Icon of the action.

Initial release

First release of the packaged up obfuscation step. Currently tested using Windows builds, but should work on Linux and macOS also.