upd readme

README.md

@@ -3,8 +3,9 @@
 ## Usage
 
 ### Nix Flake
-* Inputs: steam-rom-manager.url = "github:mjallen18/nix-steam-rom-manager";
+Inputs: steam-rom-manager.url = "github:mjallen18/nix-steam-rom-manager";
-* ```nixosConfigurations = {
+~~~
+nixosConfigurations = {
   "<hostname>" = nixpkgs-unstable.lib.nixosSystem {
     system = "x86_64-linux";
     modules = [
@@ -18,4 +19,28 @@
       }
     ];
   };
-    };```
+};
+~~~
+
+### 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
+  };
+};
+~~~