feat: open page api (#1419)

apps/openpage-api/app/growth/total-signer-conversion/route.ts

@@ -0,0 +1,25 @@
+import cors from '@/lib/cors';
+import { getSignerConversionMonthly } from '@/lib/growth/get-signer-conversion';
+
+export async function GET(request: Request) {
+  const totalSigners = await getSignerConversionMonthly('cumulative');
+
+  return cors(
+    request,
+    new Response(JSON.stringify(totalSigners), {
+      status: 200,
+      headers: {
+        'content-type': 'application/json',
+      },
+    }),
+  );
+}
+
+export function OPTIONS(request: Request) {
+  return cors(
+    request,
+    new Response(null, {
+      status: 204,
+    }),
+  );
+}