feat: More bonus (exponential) and method to list icons needed

public/css/layout.css

@@ -118,7 +118,8 @@
     'production'
     'market'
     'generators'
-    'upgrades';
+    'upgrades'
+    'endless';
 }
 
 .view {
@@ -134,6 +135,7 @@
 .panel--market { grid-area: market; }
 .panel--generators { grid-area: generators; }
 .panel--upgrades { grid-area: upgrades; }
+.panel--endless { grid-area: endless; }
 
 /* Tablet */
 @media (min-width: 760px) {
@@ -142,7 +144,8 @@
     grid-template-areas:
       'stats stats'
       'production market'
-      'generators upgrades';
+      'generators upgrades'
+      'endless endless';
     align-items: start;
   }
 
@@ -159,11 +162,12 @@
 @media (min-width: 1200px) {
   .game {
     grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1.2fr);
-    grid-template-rows: auto auto 1fr; /* spare height goes below the left column, not between its panels */
+    grid-template-rows: auto auto 1fr auto; /* spare height goes below the left column, not between its panels */
     grid-template-areas:
       'stats stats stats'
       'production generators upgrades'
-      'market generators upgrades';
+      'market generators upgrades'
+      'endless endless endless';
   }
 
   .view {