chore: re-map project structure to using multi workspace paradigm

imphnen-utils/src/generate_otp.rs

@@ -0,0 +1,13 @@
+use rand::{rng, Rng};
+
+pub struct OtpManager;
+
+impl OtpManager {
+	pub fn generate_otp() -> u32 {
+		rng().random_range(100_000..1_000_000)
+	}
+
+	pub fn validate_otp(stored_otp: u32, user_otp: u32) -> bool {
+		stored_otp == user_otp
+	}
+}