added vk events handler stub

src/service/vk/index.ts

@@ -1,9 +1,20 @@
-import { VkConfig } from './types';
+import { VkConfig } from "./types";
 
 export class VkService {
+  public endpoint: string = "/";
+
   constructor(private config: VkConfig) {
     if (!config.groups.length) {
-      throw new Error('No vk groups to handle. Specify them in config')
+      throw new Error("No vk groups to handle. Specify them in config");
     }
+
+    this.endpoint = config.endpoint;
   }
+
+  /**
+   * Handles incoming VK events
+   */
+  public handle = async (event: any) => {
+    // TODO: handle events
+  };
 }