update flake to use snowfall

lib/installed-packages/default.nix

@@ -0,0 +1,45 @@
+{
+  # This is the merged library containing your namespaced library as well as all libraries from
+  # your flake's inputs.
+  lib
+, # Your flake inputs are also available.
+  inputs
+, # The namespace used for your flake, defaulting to "internal" if not set.
+  namespace
+, # Additionally, Snowfall Lib's own inputs are passed. You probably don't need to use this!
+  snowfall-inputs
+, ...
+}:
+
+{
+  # This will be available as `lib.my-namespace.mkPackages`.
+  mkPackages = {pkgs, ...}:
+    let
+      inherit pkgs;
+      # pkgs = namespace.;
+      # pkgs = snowfall-inputs.nixpkgs { system = "x86_64-linux"; config.allowUnfree = true; };
+      baseBackages = [
+        pkgs.vim
+        pkgs.nixpkgs-fmt
+      ];
+      utilPackages = [
+        pkgs.wget
+        pkgs.curl
+        pkgs.git
+        pkgs.ffmpeg
+      ];
+      haxeDevelopmentPackages = [
+        pkgs.haxe
+      ];
+    in
+    {
+      packages = baseBackages ++ utilPackages ++ haxeDevelopmentPackages;
+    };
+
+  # my-scope = {
+  #     # This will be available as `lib.my-namespace.my-scope.my-scoped-helper-function`.
+  #     my-scoped-helper-function = x: x;
+  # };
+}
+
+