add(nvim): test avante plugin

hm/vim.nix

@@ -376,6 +376,20 @@ in
           ollama.setup(conf)
         '';
       }
+
+      {
+        plugin = vp.avante-nvim;
+        type = "lua";
+        config = ''
+          require("avante_lib").load()
+          require("avante").setup({
+            provider = "ollama",
+            providers = {
+              ollama = { endpoint = "http://localhost:11434", model = "granite4:tiny-h" }
+            }
+          })
+        '';
+      }
     ];
 
     # settings = { ignorecase = true; };