feat(TabGun): Show description of JPow's money printer

BigBaseV2/src/gui/tab_bar/main/weapons.cpp

@@ -41,6 +41,10 @@ namespace big
 					if (ImGui::SliderScalar("Multiplier", ImGuiDataType_Double, g_settings.options["custom_gun"]["gravity_velocity_multiplier"].get<double*>(), &min, &max))
 						g_settings.save();
 
+					break;
+				case 3:
+					ImGui::Text("Aim this gun at players to start printing money on them.");
+
 					break;
 				case 4:
 					ImGui::Text("Set the vehicle model to spawn.");