upd readme

README.md

@@ -3,19 +3,44 @@
 ## Usage
 
 ### Nix Flake
-* Inputs: steam-rom-manager.url = "github:mjallen18/nix-steam-rom-manager";
-* ```nixosConfigurations = {
-        "<hostname>" = nixpkgs-unstable.lib.nixosSystem {
-          system = "x86_64-linux";
-          modules = [
-            home-manager.nixosModules.home-manager
-            {
-              home-manager.users.<username> = { pkgs, ...}: {
-                 imports = [ 
-                  steam-rom-manager.homeManagerModules.default
-                ];
-              };
-            }
+Inputs: steam-rom-manager.url = "github:mjallen18/nix-steam-rom-manager";
+~~~
+nixosConfigurations = {
+  "<hostname>" = nixpkgs-unstable.lib.nixosSystem {
+    system = "x86_64-linux";
+    modules = [
+      home-manager.nixosModules.home-manager
+      {
+        home-manager.users.<username> = { pkgs, ...}: {
+          imports = [ 
+            steam-rom-manager.homeManagerModules.default
           ];
         };
-    };```
+      }
+    ];
+  };
+};
+~~~
+
+### Configuration
+~~~
+programs.steam-rom-manager = {
+  enable = true;
+  steamUsername = "<steam username>";
+  
+  environmentVariables = {
+    romsDirectory = "/path/to/your/roms";
+    steamDirectory = "/home/<username>/.local/share/Steam";
+  };
+
+  emulators = {
+    ryujinx = {
+      enable = true;
+    };
+    pcsx2 = {
+      enable = true;
+    };
+    # Add other emulators as needed
+  };
+};
+~~~