fix(gitea-bot): add write:organization scope so bot can create repos

Without this the bot PAT 403s on POST /orgs/{org}/repos, which is
the single most important operation — creating new project repos
inside the workspace's Gitea org.

Made-with: Cursor

marketing/components/justine/index.ts

@@ -1,3 +1,4 @@
 export { JustineNav } from "./JustineNav";
 export { JustineFooter } from "./JustineFooter";
 export { JustineHomePage } from "./JustineHomePage";
+export { JustineAuthShell } from "./JustineAuthShell";