port: use btstack_strcpy and btstack_cat instead of strcpy/strcat

libusb, posix and windows ports: use '-' instead of ':' in btstack_BD_ADDR.tlv filename

chipset: prefix fw vars with da145xx_

chipset: use da145xx in folder/file/function names for these SoCs

ports: add link to documentation in btstack_config.h

example: rename le_data_channel examples into le_credit_based_flow_control_mode

btstack_config: use official terms for l2cap channel modes - ENABLE_L2CAP_LE_CREDIT_BASED_FLOW_CONTROL_MODE

license: update text

posix: use bstack_signal to trigger shutdown for ctrl-c

port: copy edit port readmes, archive ios port

hci_transport: extract convenience function declaration for h4, h5, em9304_spi, and usb into separate hci_transport_{type}.h

hci_dump: use hci_dump_posix_fs with PacketLogger format in all posix ports

ports: disable hci dump in all ports

Remove btstack_run_loop_base from port and test

btstack_run_loop_posix: use run loop base (build)

h4 posix ports: use btstack_uart_posix instead of btstack_uart_block_posix

config: add ENABLE_PRINTF_HEXDUMP

config: sort defines alphabetically

enable asserts for all desktop ports