Add population counter

stories/mass-vore.js

@@ -4,6 +4,7 @@
     function devour(state, count) {
         state.player.stats.stomach.value += count;
         state.player.stats.eaten.value += count;
+        state.info.population.value -= count;
         playRandomSfx("swallow");
     }
 
@@ -129,6 +130,17 @@
                         
                     ]
                 }, state);
+
+                state.info.population = {
+                    id: "population",
+                    name: "Population",
+                    type: "counter",
+                    min: 0,
+                    max: 5000000,
+                    value: 5000000,
+                    get render() {return this.value},
+                    color: "rgb(255,255,255)"
+                };
             },
             intro: state => {
                 print(["Munch time"]);