BPM to Serial Monitor and version data

addresses version data typos

BPM to Serial Project added to examples.

Adds: Getting_BPM_to_Monitor.ino to examples.

Getting BPM to Serial Monitor Example Added

This release adds a new project to Examples, Getting_BPM_to_Monitor. The Getting_BPM_to_Monitor example demos: printing user's BPM to Serial Monitor via our Library, and the least lines of code possible.

Update to library.properties file, for support, description, and "more info" link.

Pulse Sensor Playground Arduino Library

Minor update to Pulse Sensor Playground Arduino Library

This release adds the ability to use 2 Pulse Sensors on 1 Arduino with OR without interrupts

PulseSensor Playground Arduino Library

First release of Pulse Sensor Playground!

The purpose of this release is to get the Pulse Sensor Playground Library included in the Arduino Library Manager.