The installation instructions are available on the download page on this website. I'll include a readme at some point.
Ah my mistake. I was absent minded, I had voicevox already so I figured it was g2g.
I'm currently having an API key error, i tried a few keys, 2 are old keys i've used for other projects and 1 i just created. Any idea why i could be having an error? I pasted it in after the = as the instructions say.