Refactor flakes

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

home/programs/nvf/default.nix

@@ -1,21 +1,31 @@
-# NVF is a Neovim configuration that provides a minimal setup with essential plugins and configurations.
 {
   inputs,
   pkgs,
   ...
 }: {
-  imports = [
-    inputs.nvf.homeManagerModules.default
-    ./options.nix
-    ./languages.nix
-    ./picker.nix
-    ./snacks.nix
-    ./keymaps.nix
-    ./utils.nix
-    ./mini.nix
+  imports = [inputs.nvf.homeManagerModules.default];
+
+  # Packages needed by snacks image preview
+  home.packages = with pkgs; [
+    imagemagick
+    tree-sitter
+    ghostscript
+    tectonic
+    mermaid-cli
   ];
 
   programs.nvf = {
     enable = true;
+    settings = {
+      imports = [
+        ./options.nix
+        ./languages.nix
+        ./picker.nix
+        ./snacks.nix
+        ./keymaps.nix
+        ./utils.nix
+        ./mini.nix
+      ];
+    };
   };
 }