[Feature] 1766 - Group Attack (#1770)

* Implemented group attack logic

* Updated all minions in the SRD to use the group attack functionality

* .

* Renamed groupAttack.nr to groupAttack.numAttackers

* Moved the flag vs global setting logic to documents/scene

* .

module/documents/scene.mjs

@@ -1,6 +1,16 @@
 import DHToken from './token.mjs';
 
 export default class DhScene extends Scene {
+    get rangeSettings() {
+        const { custom } = CONFIG.DH.GENERAL.sceneRangeMeasurementSetting;
+        const sceneMeasurements = this.flags.daggerheart?.rangeMeasurement;
+        const globalMeasurements = game.settings.get(
+            CONFIG.DH.id,
+            CONFIG.DH.SETTINGS.gameSettings.variantRules
+        ).rangeMeasurement;
+        return sceneMeasurements?.setting === custom.id ? sceneMeasurements : globalMeasurements;
+    }
+
     /** A map of `TokenDocument` IDs embedded in this scene long with new dimensions from actor size-category changes */
     #sizeSyncBatch = new Map();