feat(as-servicos): remove o link do site e cita a participacao no projeto

- demoUrl de AS Servicos passa a null (so o codigo no GitHub); teamSize deixa de ser 'Individual'
- novo campo opcional role: 'Desenvolvimento da primeira landing page do site, com animacoes 3D, e de um painel para controle de projetos'
- role aparece no card de projeto e no topo do case

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>

app/cases/[slug]/page.tsx

@@ -109,6 +109,14 @@ export default async function CasePage({ params }: CasePageProps) {
             <p className="ds-copy max-w-[68ch] !text-[rgba(255,255,255,.78)]">
               {caseStudy.detail?.answer.text ?? caseStudy.summary}
             </p>
+            {caseStudy.role ? (
+              <p className="ds-copy max-w-[68ch] !text-[rgba(255,255,255,.78)]">
+                <strong className="font-semibold text-white">
+                  Minha participação:
+                </strong>{" "}
+                {caseStudy.role}
+              </p>
+            ) : null}
             {!caseStudy.detail ? (
               <p className="mt-sp-6 text-[15px] leading-8 text-white">
                 {caseStudy.impact}