feat(confirmationCodes): add CODE environment variable to pre-define the confirmation codes

Author: paullallier

src/services/otp.ts

@@ -1,4 +1,5 @@
 export const otp = (): string =>
+  process.env.CODE ??
   Math.floor(Math.random() * 999999)
     .toString()
     .padStart(6, "0");

src/targets/adminCreateUser.ts

@@ -120,7 +120,7 @@ export const AdminCreateUser =
     const now = clock.get();
 
     const temporaryPassword =
-      req.TemporaryPassword ?? generator.new().slice(0, 6);
+      req.TemporaryPassword ?? process.env.CODE ?? generator.new().slice(0, 6);
 
     const isEmailUsername =
       config.UserPoolDefaults.UsernameAttributes?.includes("email");