Add Keyboard Layouts

[joelsernamoreno]

Available layouts:

BE_BE
DA_DK
DE_DE
EN_UK
EN_US
ES_ES
FI_FI
FR_FR
IT_IT
PT_BR
PT_PT
TR_TR

Replace hidkeylayout.h of the EspTinyUSB library with the hidkeylayout.h file of the new layout or implement all layouts inside hidkeylayout.h (EspTinyUSB library).

Not all layouts tested, there may be some errors here, but this is easy to fix