feat(neovim): install YAML related plugins

modules/home-manager/cli/neovim/default.nix

@@ -10,6 +10,16 @@ let
     url = "http://ftp.vim.org/vim/runtime/spell/fr.utf-8.sug";
     sha256 = "0294bc32b42c90bbb286a89e23ca3773b7ef50eff1ab523b1513d6a25c6b3f58";
   };
+  fromGitHub = rev: ref: repo:
+    pkgs.vimUtils.buildVimPlugin {
+      pname = "${pkgs.lib.strings.sanitizeDerivationName repo}";
+      version = ref;
+      src = builtins.fetchGit {
+        url = "https://github.com/${repo}.git";
+        ref = ref;
+        rev = rev;
+      };
+    };
 in
 {
   options.modules.cli.neovim = {
@@ -44,6 +54,7 @@ in
         # Formatters
         nixfmt-rfc-style
         shfmt
+        yamlfmt
       ];
       extraLuaConfig = (builtins.readFile ./files/options.lua);
       plugins = with pkgs.vimPlugins; [
@@ -181,6 +192,15 @@ in
           type = "lua";
           config = ( builtins.readFile ./files/whichkey.lua );
         }
+#       yaml companion 
+        {
+          plugin = ( fromGitHub
+            "131b0d67bd2e0f1a02e0daf2f3460482221ce3c0"
+            "main"
+            "someone-stole-my-name/yaml-companion.nvim"
+          );
+          type = "lua";
+        }
         vim-helm
       ];
     };