add character.ai to newtab page

(yes i somehow use it enough to want to add it here. it's fun okay?)

src/pages/newtab.astro

@@ -9,6 +9,7 @@ import Newtab from '../components/linkList.astro'
 		Fediverse: "https://social.ruthenic.com",
 		Gitea: "https://git.ruthenic.com",
 		"ruthenic.com": "https://ruthenic.com",
+		CharacterAI: "https://beta.character.ai",
 		AO3: "https://archiveofourown.org"
 	}}/>
 </Base>