Added supermaven autocompletion

config/plugins.nix

@@ -0,0 +1,24 @@
+{ pkgs, ... }: {
+  extraPlugins = [ pkgs.vimPlugins.supermaven-nvim ];
+
+  extraConfigLua = ''
+    require("supermaven-nvim").setup({
+      keymaps = {
+        accept_suggestion = "<Tab>",
+        clear_suggestion = "<C-]>",
+        accept_word = "<C-j>",
+      },
+      ignore_filetypes = { cpp = true }, -- or { "cpp", }
+      color = {
+        suggestion_color = "#ffffff",
+        cterm = 244,
+      },
+      log_level = "info", -- set to "off" to disable logging completely
+      disable_inline_completion = false, -- disables inline completion for use with cmp
+      disable_keymaps = false, -- disables built in keymaps for more manual control
+      condition = function()
+        return false
+      end -- condition to check for stopping supermaven, `true` means to stop supermaven when the condition is true.
+    })
+  '';
+}