Added Microchip BM83 Bluetooth 5.0 Stereo Audio Module

Hi, I've created the symbol for the Microchip BM83 Bluetooth Audio Stereo Module.

• Datasheet: https://ww1.microchip.com/downloads/aemDocuments/documents/WSG/ProductDocuments/DataSheets/70005402E.pdf
• Associated footprint MR: kicad-footprints!3298 (merged)