Multimedia Keyboard

Multimedia keyboard for audio control. RPI pico emulates a multimedia HID keyboard

#Functionality
- Volume up/down
- pause/play
- next track
- previous track
- stop track
- google meet mic mute
- Button A (undefined button)

#For HW we need
- 1x RPI pico
- 6x switch 6x6mm 7mm [link](https://www.aliexpress.com/item/1005002076550064.html?spm=a2g0o.productlist.0.0.2fb64ad74JB1mU&algo_pvid=0163f4f0-5ff1-4e94-891d-a1edc95a7f85&aem_p4p_detail=202205060114555189892433286990001252763&algo_exp_id=0163f4f0-5ff1-4e94-891d-a1edc95a7f85-3&pdp_ext_f=%7B%22sku_id%22%3A%2212000018656397845%22%7D&pdp_npi=1%40dis%7CEUR%7C%7C0.76%7C%7C%7C1.6%7C%7C%40210318be16518248956714345eac0a%7C12000018656397845%7Csea)
- 1xrotary encoder module [link](https://www.aliexpress.com/item/32631275788.html?spm=a2g0o.order_list.0.0.47bd1802xBjui3)
- wires
- 1x screw M4
- 1x nut M4 [link](https://www.aliexpress.com/item/1005002361713083.html?spm=a2g0o.order_list.0.0.47bd1802xBjui3)
- 2x screw M3
- 2x nut