refactor: update flake.nix to use devshell.nix and package.nix

flake.nix

@@ -1,54 +1,38 @@
-# This flake was initially generated by fh, the CLI for FlakeHub (version 0.1.10)
 {
-  # A helpful description of your flake
-  description = "Quickemu";
-
-  # Flake inputs
+  description = "Quickemu flake";
   inputs = {
     flake-schemas.url = "https://flakehub.com/f/DeterminateSystems/flake-schemas/*.tar.gz";
-
     nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0.1.*.tar.gz";
   };
 
-  # Flake outputs that other flakes can use
-  outputs = { self, flake-schemas, nixpkgs }:
-    let
-      # Helpers for producing system-specific outputs
-      supportedSystems = [ "x86_64-linux" "aarch64-linux" ];
-      forEachSupportedSystem = f: nixpkgs.lib.genAttrs supportedSystems (system: f {
-        pkgs = import nixpkgs { inherit system; };
-      });
-    in {
-      # Schemas tell Nix about the structure of your flake's outputs
-      schemas = flake-schemas.schemas;
+  outputs = {
+    self,
+    flake-schemas,
+    nixpkgs,
+  }: let
+    forAllSystems = function:
+      nixpkgs.lib.genAttrs [
+        "x86_64-linux"
+        # TODO: Add support for these platforms in quickemu and quickget
+        # "aarch64-linux"
+        # "x86_64-darwin"
+        # "aarch64-darwin"
+      ] (system: function nixpkgs.legacyPackages.${system});
+  in {
+    # Schemas tell Nix about the structure of your flake's outputs
+    schemas = flake-schemas.schemas;
 
-      # Development environments
-      devShells = forEachSupportedSystem ({ pkgs }: {
-        default = pkgs.mkShell {
-          # Pinned packages available in the environment
-          packages = with pkgs; [
-            cdrtools
-            curl
-            lsb-release
-            git
-            gnugrep
-            gnused
-            jq
-            nixpkgs-fmt
-            procps
-            python3
-            qemu
-            socat
-            swtpm
-            unzip
-            usbutils
-            util-linux
-            wget
-            xdg-user-dirs
-            xorg.xrandr
-            zsync
-          ];
-        };
-      });
+    overlays.default = final: prev: {
+      quickemu = final.callPackage ./package.nix {};
     };
+
+    packages = forAllSystems (pkgs: rec {
+      quickemu = pkgs.callPackage ./package.nix {};
+      default = quickemu;
+    });
+
+    devShells = forAllSystems (pkgs: {
+      default = pkgs.callPackage ./devshell.nix {};
+    });
+  };
 }