Add per-user Windows installer and build instructions

installer/Orbit.iss

@@ -0,0 +1,41 @@
+#define AppVersion GetVersionNumbersString("..\release\installer-payload\Orbit.exe")
+[Setup]
+AppId={{60E686D4-296A-41D2-B445-5DDC79FD2A2C}
+AppName=Orbit
+AppVersion={#AppVersion}
+AppPublisher=Dario P.
+AppPublisherURL=https://github.com/donishki/orbit
+AppSupportURL=https://github.com/donishki/orbit/issues
+AppUpdatesURL=https://github.com/donishki/orbit/releases/latest
+DefaultDirName={localappdata}\Programs\Orbit
+DefaultGroupName=Orbit
+DisableProgramGroupPage=yes
+PrivilegesRequired=lowest
+ArchitecturesAllowed=x64compatible
+ArchitecturesInstallIn64BitMode=x64compatible
+MinVersion=10.0
+OutputDir=..\release
+OutputBaseFilename=Orbit-Setup-win-x64
+SetupIconFile=..\app.ico
+UninstallDisplayIcon={app}\Orbit.exe
+UninstallDisplayName=Orbit
+WizardStyle=modern
+Compression=lzma2
+SolidCompression=yes
+CloseApplications=yes
+RestartApplications=no
+
+[Tasks]
+Name: "desktopicon"; Description: "Create a &desktop shortcut"; GroupDescription: "Shortcuts:"; Flags: unchecked
+
+[Files]
+Source: "..\release\installer-payload\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
+
+[Icons]
+Name: "{autoprograms}\Orbit"; Filename: "{app}\Orbit.exe"; WorkingDir: "{app}"
+Name: "{autodesktop}\Orbit"; Filename: "{app}\Orbit.exe"; WorkingDir: "{app}"; Tasks: desktopicon
+
+[Run]
+Filename: "{app}\Orbit.exe"; Description: "Launch Orbit"; Flags: nowait postinstall skipifsilent
+
+; Deliberately do not remove the user's %LOCALAPPDATA%\Orbit settings on uninstall.