Add a ball volume for Flamm

presets/characters.js

@@ -3498,6 +3498,14 @@ characterMakers.push(() => makeCharacter(
             name: "Lying (Front)",
             image: {
                 source: "./media/characters/flamm/lying-front.svg"
+            },
+            extraAttributes: {
+                "ballVolume": {
+                    name: "Ball Volume",
+                    power: 3,
+                    type: "volume",
+                    base: math.unit(5, "liters")
+                },
             }
         },
         lyingBack: {
@@ -3506,6 +3514,14 @@ characterMakers.push(() => makeCharacter(
             name: "Lying (Back)",
             image: {
                 source: "./media/characters/flamm/lying-back.svg"
+            },
+            extraAttributes: {
+                "ballVolume": {
+                    name: "Ball Volume",
+                    power: 3,
+                    type: "volume",
+                    base: math.unit(5, "liters")
+                },
             }
         },
     },