re-organize nixvim

programs/nixvim/plugins/editing.nix

@@ -0,0 +1,44 @@
+{ ... }:
+
+{
+  programs.nixvim.plugins = {
+    # Auto-close brackets and quotes
+    nvim-autopairs.enable = true;
+
+    # Flash jump/search enhancement
+    flash.enable = true;
+
+    # Image clipboard support
+    img-clip = {
+      enable = true;
+      settings = {
+        default = {
+          embed_image_as_base64 = false;
+          prompt_for_file_name = false;
+          drag_and_drop = {
+            insert_mode = true;
+          };
+          use_absolute_path = true;
+        };
+      };
+    };
+
+    # Trim trailing whitespace
+    trim = {
+      enable = true;
+      settings = {
+        highlight = true;
+        ft_blocklist = [
+          "checkhealth"
+          "floaterm"
+          "lspinfo"
+          "neo-tree"
+          "TelescopePrompt"
+        ];
+      };
+    };
+
+    # Collection of small useful plugins
+    snacks.enable = true;
+  };
+}