feat: add SEO and sitemap functionality

- Implemented robots.txt to guide search engine indexing.
- Created layout components for the selector and series pages to manage metadata.
- Developed a dynamic sitemap generator based on existing series and frameworks data.
- Centralized SEO information in a new lib/seo.js file to maintain consistency across the site.
- Added SVG logos for branding.

app/frameworks/page.jsx

@@ -1,3 +1,4 @@
+import { paginaMeta } from "@/lib/seo";
 import Header from "@/components/Header";
 import Footer from "@/components/Footer";
 import Link from "next/link";
@@ -19,6 +20,14 @@ import {
 	Home
 } from "lucide-react";
 
+
+export const metadata = paginaMeta({
+	titulo: "Frameworks para ESP32",
+	descricao: "ESP-IDF, Arduino, MicroPython, ESP-ADF, ESP-DSP, ESP-WHO, ESP-NN e ESP-Matter: para que serve cada framework do ESP32, com exemplo de código e quando usar.",
+	caminho: "/frameworks",
+	keywords: ["ESP-IDF", "Arduino ESP32", "MicroPython ESP32", "frameworks ESP32", "programar ESP32"],
+});
+
 export default function Frameworks() {
 	const frameworks = Object.entries(frameworksData);