Added SEO to website pages (#5106)

Added SEO to Contributors, Contributor, User Guide (+ each of it's
pages), Changelog, OSS friends: titles, descriptions

Co-authored-by: Ady Beraud <a.beraud96@gmail.com>

packages/twenty-website/src/app/contributors/page.tsx

@@ -7,6 +7,13 @@ import { ContentContainer } from '@/app/_components/oss-friends/ContentContainer
 import { findAll } from '@/database/database';
 import { pullRequestModel, userModel } from '@/database/model';
 
+export const metadata = {
+  title: 'Twenty - Contributors',
+  description:
+    'Discover the brilliant minds behind Twenty.com. Meet our contributors and explore how their expertise contributes to making Twenty the leading open-source CRM. Join our community today.',
+  icons: '/images/core/logo.svg',
+};
+
 interface Contributor {
   id: string;
   avatarUrl: string;