Installer for v2.0.0

Full Changelog: https://github.com/txasw/pgmodeler-installer/commits/v2.0.0

THIS VERSION HAS BEEN DEVELOP AND TEST ON pgModeler v2.0.0 ONLY!

Installer for v1.2.2

Full Changelog: https://github.com/txasw/pgmodeler-installer/commits/v1.2.2

THIS VERSION HAS BEEN DEVELOP AND TEST ON pgModeler v1.2.2 ONLY!