neovim:init.vim->init.lua and misc changes

configs/nvim.nix

@@ -2,53 +2,30 @@
 {
   programs.neovim = {
     enable = true;
+    package = pkgs.neovim-nightly;
+    defaultEditor = true;
     configure = {
-    customRC = ''
-      "theme
-      let g:gruvbox_italic=1
-      let g:gruvbox_contrast_dark="hard"
-        let g:gruvbox_contrast_light="hard"
-        set background=dark
-        colorscheme gruvbox
-        '' +
-        builtins.readFile ./nvim/init.vim +
-        builtins.readFile ./nvim/utils.vim +
-	''
-	"Floaterm
-        let g:floaterm_keymap_toggle = '<F1>'
-        let g:floaterm_keymap_next   = '<F2>'
-        let g:floaterm_keymap_prev   = '<F3>'
-        let g:floaterm_keymap_new    = '<F4>'
-        let g:floaterm_gitcommit='floaterm'
-        let g:floaterm_autoinsert=1
-        let g:floaterm_width=0.8
-        let g:floaterm_height=0.8
-        let g:floaterm_wintitle=0
-        let g:floaterm_shell="/usr/bin/env zsh"
-	'' +
-/*	''
-	"Colorizer
-        packadd! nvim-colorizer.lua
-        lua require'colorizer'.setup()
-	'' +
-*/	''
-	"closetag
-        let g:closetag_filenames = "*.html,*.xhtml,*.phtml,*.js,*.erb,*.jsx"
-        let g:closetag_xhtml_filenames = '*.xhtml,*.jsx,*.js,*.erb'
-        let g:closetag_emptyTags_caseSensitive = 1
-        let g:closetag_shortcut = '>'
-        let g:closetag_close_shortcut = '<leader>>'
-	'' +
-	''
-	"nerdcommenter
-        map <C-c> <plug>NERDCommenterToggle
-        map <C-d> <plug>NERDCommenterSexy
-	'';
-
-	packages.myVimPackage = with pkgs.vimPlugins; {
-              start = [ auto-pairs vim-floaterm vim-rooter vim-polyglot gruvbox vim-closetag vim-floaterm nerdcommenter];
-	};
+      customRC ="lua << EOF\n" + builtins.readFile ./nvim/init.lua + "\nEOF\n";
+      packages.myVimPackage = with pkgs.vimPlugins; {
+        start = [
+          nvim-colorizer-lua
+          auto-pairs 
+          vim-floaterm 
+          vim-rooter
+          vim-closetag
+          vim-floaterm
+          nerdcommenter
+          vim-startify
+          nvim-compe
+          nvim-lspconfig
+          barbar-nvim
+          nvim-web-devicons
+          vim-polyglot
+          (gruvbox.overrideAttrs (oa: { patches = [ ./nvim/gruvbox.patch ]; }))
+ #         (gruvbox.overrideAttrs (oa: { src = pkgs.fetchFromGitHub{} }))
+        ];
       };
     };
-  }
+  };
+}