docs: replace README with Next.js boilerplate template

Updated README.md from a detailed OllaHub project description to the standard Next.js getting started template, likely to initialize or reset the project as a Next.js application.

components/chat/SystemPromptInfo.tsx

@@ -0,0 +1,50 @@
+"use client";
+
+import { Info } from "lucide-react";
+import { useState } from "react";
+
+export function SystemPromptInfo() {
+  const [isOpen, setIsOpen] = useState(false);
+
+  return (
+    <div className="relative">
+      <button
+        onClick={() => setIsOpen(!isOpen)}
+        className="p-1 rounded hover:bg-[var(--background)]"
+        title="About system prompts"
+      >
+        <Info className="h-3 w-3" />
+      </button>
+
+      {isOpen && (
+        <div className="absolute top-6 left-0 z-50 w-80 rounded-lg border border-[var(--border)] bg-[var(--background)] p-3 shadow-lg">
+          <div className="text-xs space-y-2">
+            <h4 className="font-medium">System Prompts</h4>
+            <p>
+              System prompts define the AI's behavior, personality, and response
+              style. They are sent once at the beginning of each conversation.
+            </p>
+            <div className="space-y-1">
+              <p className="font-medium">Examples:</p>
+              <ul className="list-disc list-inside space-y-1 text-[var(--foreground)]/80">
+                <li>"You are a helpful coding assistant"</li>
+                <li>"Respond in Portuguese, be concise"</li>
+                <li>"You are a creative writing coach"</li>
+              </ul>
+            </div>
+            <p className="text-[var(--foreground)]/60">
+              Based on Ollama documentation - system messages help guide model
+              behavior.
+            </p>
+          </div>
+          <button
+            onClick={() => setIsOpen(false)}
+            className="absolute top-2 right-2 p-1 rounded hover:bg-[var(--surface)]"
+          >
+            ×
+          </button>
+        </div>
+      )}
+    </div>
+  );
+}