add neovim module

modules/neovim.nix

@@ -0,0 +1,84 @@
+{ config, nixosConfig, lib, mylib, pkgs, ... }:
+
+with lib;
+with mylib.modules;
+
+let
+  cfg = config.modules.neovim;
+in {
+
+  options.modules.neovim = {
+    enable = mkEnableOpt "NeoVim";
+    alias = mkBoolOpt "Link nvim to vim/vi";
+  };
+
+  config = mkIf cfg.enable {
+
+    programs.neovim = {
+      enable = true;
+      extraConfig = ''
+        set incsearch
+        set hlsearch
+        set ignorecase
+        set autoindent
+        set expandtab
+        set smartindent
+        set smarttab
+        set shiftwidth=4
+        set softtabstop=4
+        set backspace=indent,eol,start
+        set ruler
+        set number
+        set laststatus=2
+        set noshowmode
+        set undofile
+        set undodir=~/.vim/undo
+        set hidden
+        set printfont=Victor\ Mono\ SemiBold:h10
+        set guifont=Victor\ Mono\ SemiBold:h12
+        let printencoding='utf-8'
+        set encoding=utf-8
+      '';
+      plugins = with pkgs.vimPlugins; [
+        # vim-nix
+        surround-nvim
+        # lightline-vim
+        {
+          plugin = lualine-nvim;
+          config = ''
+            lua << EOF
+            require('lualine').setup {}
+            EOF
+          '';
+        }
+        # vim-gitgutter
+        # YouCompleteMe
+        {
+
+          plugin = nvim-autopairs;
+          config = ''
+            lua << EOF
+            require('nvim-autopairs').setup {}
+            EOF
+          '';
+        }
+        {
+          plugin = (nvim-treesitter.withPlugins
+            (plugins: pkgs.tree-sitter.allGrammars));
+          config = ''
+            lua << EOF
+            require('nvim-treesitter.configs').setup {
+                highlight = {
+                    enable = true,
+                    additional_vim_regex_highlighting = false,
+                },
+            }
+            EOF
+          '';
+        }
+      ];
+      viAlias = cfg.alias;
+      vimAlias = cfg.alias;
+    };
+  };
+}