fix(joystick): add offsets

include/joystick.hpp

@@ -25,4 +25,7 @@ class Joystick {
     uint8_t vrx;
     uint8_t vry;
     uint8_t sw;
+
+    const uint8_t xOffset = 13;
+    const uint8_t yOffset = 10;
 };

src/joystick.cpp

@@ -9,11 +9,11 @@ Joystick::Joystick() : vrx(A0), vry(A1), sw(4) {
 
 // Map the analog readings from the joystick to a range of -100 to 100 for both X and Y axes
 double Joystick::getX() const {
-  return map(analogRead(vrx), 0, 1023, -100, 100);
+  return map(analogRead(vrx), 0, 1023, -100, 100) + xOffset;
 }
 
 double Joystick::getY() const {
-  return map(analogRead(vry), 0, 1023, -100, 100);
+  return map(analogRead(vry), 0, 1023, -100, 100) + yOffset;
 }
 
 // Check if the joystick button is pressed (active LOW)