[ADD] Added support for RT7 and DPI change

DPI change - not fully done, still need some work for most dpi's, but 100-300 and 3200 should work!

Mouse.cpp

@@ -151,6 +151,8 @@ uint8_t Mouse::getBackLightLevel() {
     return response[8];
 }
 
+
+
 void Mouse::listDevices() {
     std::cout<<"Available devices:"<<endl;
     for (auto&devHand : devices){
@@ -197,7 +199,7 @@ void Mouse::listDevices() {
                 break;
             case BLOODY_V8M_PID:
                 name = "Bloody V8M";
-		break;
+		        break;
             case BLOODY_R8_PID:
                 name = "Bloody R8";
                 break;