Add feature flag endpoint

src/routes/getFeatureFlag.ts

@@ -0,0 +1,13 @@
+import { config } from "../config";
+import { Request, Response } from "express";
+
+export function getFeatureFlag(req: Request, res: Response): Response {
+    const { params: { name } } = req;
+
+    switch (name) {
+        case "deArrowPaywall":
+            return res.status(200).json({
+                enabled: config.deArrowPaywall,
+            });
+    }
+}