Add links for Discord and Donations in Installer/Upgrader

Author: Kristan Kenney

func/upgrade.sh

@@ -193,9 +193,13 @@ upgrade_complete_message() {
     echo
     echo "Web:      https://www.hestiacp.com/                                          "
     echo "Forum:    https://forum.hestiacp.com/                                        "
+    echo "Discord:  https://discord.gg/nXRUZch                                         "
     echo "GitHub:   https://github.com/hestiacp/hestiacp/                              "
     echo "E-mail:   info@hestiacp.com                                                  "
     echo 
+    echo "Help support the Hestia Contol Panel project by donating via PayPal:         "
+    echo "https://www.hestiacp.com/donate                                              "
+    echo
     echo "Made with love & pride by the open-source community around the world.        "
     echo
     echo "============================================================================="

install/hst-install-debian.sh

@@ -1869,6 +1869,7 @@ or if you encounter any bugs or problems:
 E-mail:  info@hestiacp.com
 Web:     https://www.hestiacp.com/
 Forum:   https://forum.hestiacp.com/
+Discord: https://discord.gg/nXRUZch
 GitHub:  https://www.github.com/hestiacp/hestiacp
 
 Note: Automatic updates are enabled by default. If you would like to disable them,

install/hst-install-ubuntu.sh

@@ -1921,6 +1921,7 @@ or if you encounter any bugs or problems:
 E-mail:  info@hestiacp.com
 Web:     https://www.hestiacp.com/
 Forum:   https://forum.hestiacp.com/
+Discord: https://discord.gg/nXRUZch
 GitHub:  https://www.github.com/hestiacp/hestiacp
 
 Note: Automatic updates are enabled by default. If you would like to disable them,