Add AI assistant tools for site search, project details, experience matching, and calendar availability

src/app/chat/_components/ChatInterface.tsx

@@ -54,7 +54,7 @@ function addInitMessage(messageArray: UIMessage[]) {
 			role: 'assistant',
 			parts: [{
 				type: 'text',
-				text: "Hi im gregors ai assistant,you can ask me to provide general information or to schedule a meeting."
+				text: "Hi, I'm Gregor's AI assistant. Ask me about his experience, projects, blog posts, or availability for a meeting."
 			}],
 		})
 	}