Merge pull request #1748 from LedgerHQ/learn-staging-url-env

LIVE-826 - Learn page URL - Add environment var to enable learn staging URL

src/env.ts

@@ -560,6 +560,11 @@ const envDefinitions = {
     parser: stringParser,
     desc: "Market data api",
   },
+  USE_LEARN_STAGING_URL: {
+    def: false,
+    parser: boolParser,
+    desc: "use the staging URL for the learn page",
+  },
 };
 
 const getDefinition = (name: string): EnvDef<any> | null | undefined =>