docs: update Gemini CLI to Antigravity CLI branding across website, OG banner, and docs

components/CompatibilitySection.tsx

@@ -50,10 +50,10 @@ const agents: AgentEntry[] = [
     imageSrc: "/logos/aider.svg",
   },
   {
-    name: "Gemini CLI",
-    url: "https://github.com/google-gemini/gemini-cli/blob/main/docs/get-started/configuration.md#available-settings-in-settingsjson",
+    name: "Antigravity CLI",
+    url: "https://antigravity.google/docs/cli/best-practices#write-a-codebase-rule-file",
     from: "Google",
-    imageSrc: "/logos/gemini.svg",
+    imageSrc: "/logos/antigravity.svg",
   },
   {
     name: "goose",

components/FAQSection.tsx

@@ -65,11 +65,11 @@ export default function FAQ() {
       ),
     },
     {
-      question: "How do I configure Gemini CLI?",
+      question: "How do I configure Antigravity CLI?",
       answer: (
         <>
           <p className="mb-2">
-            Configure Gemini CLI to use AGENTS.md in <code>.gemini/settings.json</code>:
+            Configure Antigravity CLI to use AGENTS.md in <code>.gemini/settings.json</code>:
           </p>
           <div className="w-full flex justify-center">
             <CodeExample