feat: Enable querying via endpoint for client XML and separate IVR by queue based on connected numbers

backend/src/helpers/EncodeFileToBase64.ts

@@ -0,0 +1,6 @@
+import fs from "fs";
+
+export const encodeFileToBase64 = (filePath: string) => {
+  const file = fs.readFileSync(filePath);
+  return file.toString("base64");
+};