[docs] copied data from wiki pages to docs

docs/cfclient_zmq.md

docs/cfheadless.md

docs/cfloader.md

docs/client.md

docs/dev_info_client.md

docs/images/cf_client_1.png

docs/images/cfclient_anchor_identification.png

docs/images/cfclient_cf2_config.png

docs/images/cfclient_connect_dialog.png

docs/images/cfclient_connected.png

docs/images/cfclient_console_marked.png

docs/images/cfclient_devconfig_axis.png

docs/images/cfclient_devconfig_dialog.png

docs/images/cfclient_devconfig_feedback.png

docs/images/cfclient_devconfig_select.png

docs/images/cfclient_flightab.png

docs/images/cfclient_input_mux_configured.png

docs/images/cfclient_input_mux_select.png

docs/images/cfclient_input_normal.png

docs/images/cfclient_input_student.png