Add launcher script

[languitar]

As far as I can see, there is nothing included here to launch this standalone.

[Shane-XB-Qian]

looks yes, didnot gen bin fs after npm install.
// and this did not update long time...
@bryphe @DeltaEvo is it possible to update? thx.

[bryphe]

Hi @Shane-XB-Qian ,

I haven't actually been using or maintaining - for Onivim, I've been using the bundled VSCode extension.

I'll mark it as archived to avoid any confusion. Please feel free to fork this, though, of course!