feat(settings): wire ANALYSIS_BACKGROUND into landing loader and add CI notes

app/routes/landing.tsx

@@ -1,6 +1,12 @@
 import { Link } from "react-router";
 import Navbar from "../components/Navbar";
 import AlpacaAccountInfo from "../components/AlpacaAccountInfo";
+import { settingsService } from '~/lib/settings.server';
+
+export async function loader() {
+  const analysisBackground = (await settingsService.get('ANALYSIS_BACKGROUND')) ?? { enabled: false };
+  return { analysisBackground };
+}
 
 export default function Landing() {
   return (