feat: add getTool method to retrieve a specific registered tool by name

Author: ruturaj-browserstack

src/server-factory.ts

@@ -80,4 +80,8 @@ export class BrowserStackMcpServer {
   public getTools(): Record<string, RegisteredTool> {
     return this.tools;
   }
+  
+  public getTool(name: string): RegisteredTool | undefined {
+    return this.tools[name];
+  }
 }