fix path issues

[ReenigneArcher]

Description

• move default config and apps files to assets directory
• create appdir if it doesn't exist
• remove backup and restore of config files
• remove portable home and config directories for AppImage
• add service install and uninstall scripts back to Windows packages
• automatically add and remove windows service (if service component is selected at install)
• automatically add and remove firewall rules (if firewall component is selected at install)
• delete start menu entry upon uninstall (Windows only)
• delete program install directory upon uninstall, with user prompt (Windows only)

Screenshot

Issues Fixed or Closed

• Fixes Can't launch games with the Appimage #60
• Partially resolves Add Sunshine to appimage.github.io #151
• Fixes v0.14.0 windows package issues #197
• Fixes Windows uninstaller does not remove Start Menu shortcut #200
• Fixes Windows Installer should automatically add and remove firewall rules #206
• Fixes Error Installing RPM 0.14.0 on Fedora Silverblue 36 - '/usr/local' unsupported #210
• Fixes Can't start if $HOME/.config/sunshine folder doesn't exists #324

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the docstring/documentation-blocks for new or existing methods/components

[ReenigneArcher]

@sitiom would you be able to test the windows package please, from this PR build?

• scripts present
• service automatically added upon install
• service automatically removed upon uninstall
• firewall rule automatically added upon install
• firewall rule automatically removed upon uninstall