BPM Calculator is back!

I received a request to recreate the BPM (beats-per-minute) calculator, and I have a version 1 running.
Thanks Roberta for reaching out to me to ask this, and thanks Lucas for requesting the features for version 2! Happy to see it used!

💬 music 🏷 beats 🏷 bpm 🏷 minute 🏷 rhythm 🏷 tempo