Fix output-axis collision in template joyful config

Base throttle and grip main-stick Y were both routed to ABS_Y, which
would have had two physical axes fighting over one virtual output.
Move the main stick to ABS_RX/ABS_RY, consistent with how
space-engineers/joyful-config.yml already avoids this collision.

template/joyful-config.yml

@@ -33,15 +33,18 @@ rules:
     input: TODO_ABS_THROTTLE
     output: ABS_Y
 
-  # --- grip: main stick + ministick axes ---
+  # --- grip: main stick + ministick axes (routed to distinct output
+  # axes from the base throttle above - this is bare passthrough, not
+  # a functional assignment; nothing here means "look" or "strafe"
+  # until a specific game's config says so, see space-engineers/) ---
   - device: grip
     type: axis
     input: TODO_ABS_STICK_X
-    output: ABS_X
+    output: ABS_RX
   - device: grip
     type: axis
     input: TODO_ABS_STICK_Y
-    output: ABS_Y
+    output: ABS_RY
   - device: grip
     type: axis
     input: TODO_ABS_MINISTICK_X