👾 Added better handling of recording Kudos by moving it to a back...

👾 Added better handling of recording Kudos by moving it to a background process. There are also rate limits applied to the endpoint to make sure it's not abused (growing pains, huh?). If you see anything amiss, let me know.

🧹 Made further tweaks when a "please upgrade" email is sent to allow for a bit of more leeway.