refactor: update weatherWidgetFlag to use environment variable for feature toggle

Author: py-dev-nandini-12

flags.ts

@@ -1,11 +1,6 @@
-"use server";
-
 import { flag } from "flags/next";
 
-export const weatherWidgetFlag = flag({
+export const weatherWidgetFlag = flag<boolean>({
   key: "weather-widget",
-  decide() {
-    // Enable the weather widget for 50% of visitors
-    return Math.random() > 0.5;
-  },
+  decide: () => process.env.NEXT_PUBLIC_FEATURE_X_ENABLED === "true",
 });