feat(packages): Added free coding models for my opencode

modules/user/packages/coding.nix

@@ -1,4 +1,11 @@
-{ pkgs, ... }: {
+{ pkgs, ... }:
+
+let
+  free-coding-models = import ./free-coding-models.nix {
+    inherit pkgs;
+  };
+in
+{
   home.packages = with pkgs; [
     #jetbrains.idea-oss
     android-studio
@@ -6,6 +13,7 @@
     git
     tree
     opencode
+    free-coding-models
     postgresql
     dbgate
   ];