add cli help videos

docs/20_Installation.md

docs/30_Usage.md

docs/80_Build.md

docs/files/install_binary.ttyrec

docs/files/installer.ttyrec

docs/files/installer2.ttyrec

docs/files/usage_execute.ttyrec

docs/files/usage_show_infos.ttyrec

docs/ttyrec

helpers/install_binary.cdm

helpers/installer.cdm

helpers/installer2.cdm

helpers/scan_ttyrec.sh

helpers/ttyrecord

helpers/usage_execute.cdm

helpers/usage_show_infos.cdm