feat(lstv2 move): moved lstv2 into this app to keep them combined and easier to maintain

lstV2/server/globalUtils/singleUseKey.ts

@@ -0,0 +1,11 @@
+import crypto from "crypto";
+
+export const generateOneTimeKey = async (length = 32) => {
+    const chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+    let key = "";
+    const bytes = crypto.randomBytes(length);
+    for (let i = 0; i < length; i++) {
+        key += chars[bytes[i] % chars.length];
+    }
+    return key.match(/.{1,4}/g)!.join("-"); // group by 4 chars
+};