fix(doc): update install

Author: mcchrish

README.md

@@ -31,7 +31,7 @@ Example installation using packer:
 
 ```lua
 use {
-    "mcchrish/zenbones.nvim",
+    "zenbones-theme/zenbones.nvim",
     -- Optionally install Lush. Allows for more configuration or extending the colorscheme
     -- If you don't want to install lush, make sure to set g:zenbones_compat = 1
     -- In Vim, compat mode is turned on as Lush only works in Neovim.