Add mod icons, finish GUI support through Cloth Config Lite

omega-config-gui/src/main/java/draylar/omegaconfiggui/mixin/ModMenuMixin.java

@@ -0,0 +1,23 @@
+package draylar.omegaconfiggui.mixin;
+
+import com.terraformersmc.modmenu.ModMenu;
+import draylar.omegaconfiggui.api.screen.OmegaModMenu;
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Environment(EnvType.CLIENT)
+@Mixin(ModMenu.class)
+public class ModMenuMixin {
+
+    @Inject(method = "onInitializeClient", at = @At("RETURN"), remap = false)
+    private void addOmegaConfigurationScreens(CallbackInfo ci) {
+        OmegaModMenu.modMenuInitialized = true;
+
+        // Add loaded configuration screens to mod menu.
+        OmegaModMenu.getRegisteredConfigurations().forEach(OmegaModMenu::injectScreen);
+    }
+}