Update intro.md

Signed-off-by: dev-callgent <[email protected]>

docs/intro.md

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-# Quick Start: Callgent.com - Callable Agent
+---
+sidebar_position: 1
+title: Introduction to Callgent
+description: Callgent is yet another AI programming tool besides Copilot, UI generator, and bug fixer, etc.
+keywords: [Callgent function-calling technique, integrate AI with email and Slack, Callgent vs Zapier functionality,  Callgent for no-code automation, progressive function calling in AI, Callgent API integration examples, Callgent user-system orchestration, copilot, code generator, v0.dev, SWE-bench, iPaaS]
+---
+
+# Introduction
 
 Welcome to the new era of AI software development! But what does that really mean? Let's break it down.