feat(customization): new customization service api (#4688)

extensions/cornerstone/src/customizations/viewportToolsCustomization.ts

@@ -0,0 +1,33 @@
+import { Enums } from '@cornerstonejs/tools';
+import { toolNames } from '../initCornerstoneTools';
+
+export default {
+  'cornerstone.overlayViewportTools': {
+    active: [
+      {
+        toolName: toolNames.WindowLevel,
+        bindings: [{ mouseButton: Enums.MouseBindings.Primary }],
+      },
+      {
+        toolName: toolNames.Pan,
+        bindings: [{ mouseButton: Enums.MouseBindings.Auxiliary }],
+      },
+      {
+        toolName: toolNames.Zoom,
+        bindings: [{ mouseButton: Enums.MouseBindings.Secondary }],
+      },
+      {
+        toolName: toolNames.StackScroll,
+        bindings: [{ mouseButton: Enums.MouseBindings.Wheel }],
+      },
+    ],
+    enabled: [
+      {
+        toolName: toolNames.PlanarFreehandContourSegmentation,
+        configuration: {
+          displayOnePointAsCrosshairs: true,
+        },
+      },
+    ],
+  },
+};