fusionpbx/fusionpbx-install.sh: FusionPBX installer script

mirror da https://github.com/fusionpbx/fusionpbx-install.sh.git

FusionPBX 356e2b34d8 Update finish.sh		1 settimana fa
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resources	356e2b34d8 Update finish.sh	1 settimana fa
install.sh	24df03ddb0 Add option for additional applications	1 anno fa
pre-install.sh	348c82e700 Update pre-install.sh	6 anni fa