add zenbone-lua

For the ones that wants to load via lua.
Requires lush.

colors/zenbones-lua.vim

@@ -0,0 +1,20 @@
+" You probably always want to set this in your vim file
+set background=light
+let g:colors_name="zenbones-lua"
+
+" By setting our module to nil, we clear lua's cache,
+" which means the require ahead will *always* occur.
+"
+" This isn't strictly required but it can be a useful trick if you are
+" incrementally editing your config a lot and want to be sure your themes
+" changes are being picked up without restarting neovim.
+"
+" Note if you're working in on your theme and have :Lushify'd the buffer,
+" your changes will be applied with our without the following line.
+"
+" The performance impact of this call can be measured in the hundreds of
+" *nanoseconds* and such could be considered "production safe".
+lua package.loaded['lush_theme.zenbones'] = nil
+
+" include our theme file and pass it to lush to apply
+lua require('lush')(require('lush_theme.zenbones'))