Add Windows installer script

app/packaging/win/installer.nsi

@@ -0,0 +1,42 @@
+!include LogicLib.nsh
+
+!define MANIFEST_KEY "Software\Mozilla\NativeMessagingHosts\{{manifestName}}"
+!define UNINSTALL_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\{{winRegistryKey}}"
+
+Name "{{applicationName}} v{{applicationVersion}}"
+OutFile "{{outFile}}"
+InstallDir "{{executablePath}}"
+RequestExecutionLevel user
+
+Section
+    SetRegView 64
+
+    SetOutPath $INSTDIR
+
+    # Main executable
+    File "{{executableName}}"
+    File "{{manifestName}}"
+
+    # Native manifest key
+    WriteRegStr HKLM "${MANIFEST_KEY}" "" "$INSTDIR\{{manifestName}}"
+
+    # Create and register uninstaller
+    WriteUninstaller "$INSTDIR\uninstall.exe"
+    WriteRegStr HKLM "${UNINSTALL_KEY}" "DisplayName" "{{applicationName}}"
+    WriteRegStr HKLM "${UNINSTALL_KEY}" "UninstallString" "$\"$INSTDIR\uninstall.exe$\""
+    WriteRegStr HKLM "${UNINSTALL_KEY}" "QuietUninstallString" "$\"$INSTDIR\uninstall.exe$\" /S"
+SectionEnd
+
+Section "uninstall"
+    SetRegView 64
+
+    # Remove uninstaller
+    Delete "$INSTDIR\uninstall.exe"
+    DeleteRegKey HKLM "${UNINSTALL_KEY}"
+
+    # Remove manifest and executable dir
+    DeleteRegKey HKLM "${MANIFEST_KEY}"
+    Delete "$INSTDIR\{{executableName}}"
+    Delete "$INSTDIR\{{manifestName}}"
+    RMDir $INSTDIR
+SectionEnd