refactor: change main function to an immediately invoked async function

Author: omeraplak

examples/with-composio-mcp/src/index.ts

@@ -2,25 +2,25 @@ import { VoltAgent, Agent, MCPConfiguration } from "@voltagent/core";
 import { VercelAIProvider } from "@voltagent/vercel-ai";
 import { openai } from "@ai-sdk/openai";
 
-async function main() {
+(async () => {
   try {
     const mcpConfig = new MCPConfiguration({
       servers: {
         composio: {
           type: "http",
           url: "https://mcp.composio.dev/composio/server/YOUR-SERVER-ID",
-        }
+        },
       },
     });
-  
+
     const agent = new Agent({
       name: "Composio MCP Agent",
       description: "A helpful assistant using a lightweight provider",
       tools: await mcpConfig.getTools(),
       llm: new VercelAIProvider(),
       model: openai("gpt-4o-mini"),
     });
-  
+
     new VoltAgent({
       agents: {
         agent,
@@ -29,6 +29,4 @@ async function main() {
   } catch (error) {
     console.error("Failed to initialize VoltAgent:", error);
   }
-}
-
-main();
+})();