fix: correct Forza gear mapping - 0=N, 1-10=gears, 11=R, 21=P; update gear indicator and composite dashboard

dashboards/forza_composite/index.html

@@ -223,7 +223,7 @@ let GAME_ID='';
   speedU.textContent='KM/H';
 
   // Gear
-  const gv=gear===0?'R':String(gear);
+  const gv=gear===0?'N':gear===11?'R':gear===21?'P':String(gear);
   if(gv!==gearV.textContent){
    gearV.textContent=gv;
    gearBox.style.animation='none';gearBox.offsetHeight;gearBox.style.animation='';