feat(editor): gfx template package (#11480)

blocksuite/affine/gfx/template/src/template-tool.ts

@@ -0,0 +1,11 @@
+import { BaseTool } from '@blocksuite/std/gfx';
+
+export class TemplateTool extends BaseTool {
+  static override toolName: string = 'template';
+}
+
+declare module '@blocksuite/std/gfx' {
+  interface GfxToolsMap {
+    template: TemplateTool;
+  }
+}