feat(nvim): add avante and split up plugins

modules/programs/nvim/new_plugins/luasnip.nix

@@ -0,0 +1,27 @@
+{ config, lib, pkgs, inputs, ... }:
+
+let
+  inherit (lib) mkEnableOption mkIf readFile;
+in
+{
+  home-manager.users.moritz.programs.nixvim = {
+    plugins.luasnip = {
+      enable = true;
+      settings = {
+        history = true;
+        update_events = "TextChanged,TextChangedI";
+        delete_check_events = "TextChanged";
+        ext_opts.__raw = ''
+          {
+            [require("luasnip.util.types").choiceNode] = {
+              active = {
+                virt_text = { { "<--", "Error" } },
+              },
+            },
+          }
+        '';
+        ft_func.__raw = ''require("luasnip.extras.filetype_functions").from_pos_or_filetype'';
+      };
+    };
+  };
+}