Windows GUI: Add evergreen online/stub installer

Source/Install/MediaInfo_GUI_Windows_EvergreenStub.nsi

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+#NSIS: encoding=UTF-8
+RequestExecutionLevel admin
+
+; Some defines
+!define PRODUCT_NAME "MediaInfo"
+!define PRODUCT_PUBLISHER "MediaArea.net"
+!define PRODUCT_VERSION "24.12"
+!define PRODUCT_VERSION4 "${PRODUCT_VERSION}.0.0"
+
+; Compression
+SetCompressor /FINAL /SOLID lzma
+
+; x64 stuff
+!include "x64.nsh"
+
+; Logic stuff
+!include LogicLib.nsh
+
+; String stuff
+!include StrFunc.nsh
+${Using:StrFunc} StrTrimNewLines
+
+; Windows version stuff
+!include WinVer.nsh
+
+; Installer icon
+Icon "..\..\Source\Resource\Image\MediaInfo.ico"
+
+; Enable Visual Styles
+XPStyle on
+
+; Info
+VIProductVersion "${PRODUCT_VERSION4}"
+VIAddVersionKey /LANG=0 "CompanyName"      "${PRODUCT_PUBLISHER}"
+VIAddVersionKey /LANG=0 "ProductName"      "${PRODUCT_NAME}"
+VIAddVersionKey /LANG=0 "ProductVersion"   "${PRODUCT_VERSION4}"
+VIAddVersionKey /LANG=0 "FileDescription"  "All about your audio and video files"
+VIAddVersionKey /LANG=0 "FileVersion"      "${PRODUCT_VERSION4}"
+VIAddVersionKey /LANG=0 "LegalCopyright"   "${PRODUCT_PUBLISHER}"
+VIAddVersionKey /LANG=0 "OriginalFilename" "${PRODUCT_NAME}_GUI_Windows_Online.exe"
+BrandingText " "
+
+Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
+OutFile "..\..\Release\${PRODUCT_NAME}_GUI_Windows_Online.exe"
+ShowInstDetails nevershow
+
+; Variables
+Var LATEST_VERSION
+Var ARCH_SELECTED
+Var VERSION_SELECTED
+Var FILENAME
+
+Section
+  HideWindow
+  InitPluginsDir
+  SetOutPath "$PLUGINSDIR"
+  Delete "$PLUGINSDIR\MediaInfoInstaller.exe"
+  Delete "$PLUGINSDIR\version.txt"
+
+  inetc::get /CAPTION "MediaInfo GUI Online Installer" /BANNER "Downloading version information..." \
+    "https://mediaarea.net/mediainfo_check/version.txt" "$PLUGINSDIR\version.txt"
+
+  FileOpen $4 "$PLUGINSDIR\version.txt" r
+  FileRead $4 $LATEST_VERSION
+  FileClose $4
+
+  ${If} ${AtLeastWinVista}
+    ${If} ${IsNativeARM64}
+      ${AndIf} ${AtLeastWin11}
+        StrCpy $ARCH_SELECTED "ARM64"
+    ${ElseIf} ${IsNativeAMD64}
+      StrCpy $ARCH_SELECTED "x64"
+    ${Else}
+      StrCpy $ARCH_SELECTED "i386"
+    ${EndIf}
+    ${StrTrimNewLines} $VERSION_SELECTED $LATEST_VERSION
+    StrCpy $FILENAME "MediaInfo_GUI_$VERSION_SELECTED_Windows_$ARCH_SELECTED.exe"
+  ${ElseIf} ${AtLeastWinXP}
+    StrCpy $VERSION_SELECTED "21.03"
+    StrCpy $ARCH_SELECTED "Universal"
+    StrCpy $FILENAME "MediaInfo_GUI_$VERSION_SELECTED_Windows.exe"
+  ${Else}
+    StrCpy $VERSION_SELECTED "0.7.60"
+    StrCpy $ARCH_SELECTED "i386"
+    StrCpy $FILENAME "MediaInfo_GUI_$VERSION_SELECTED_Windows_$ARCH_SELECTED.exe"
+  ${EndIf}
+
+  inetc::get /CAPTION "MediaInfo GUI Online Installer" /BANNER "Downloading MediaInfo GUI $VERSION_SELECTED $ARCH_SELECTED..." \
+    "https://mediaarea.net/download/binary/mediainfo-gui/$VERSION_SELECTED/$FILENAME" "$PLUGINSDIR\MediaInfoInstaller.exe"
+
+  Pop $0
+  ${If} $0 == "OK"
+    ${IfNot} ${Silent}
+      ExecWait '"$PLUGINSDIR\MediaInfoInstaller.exe"'
+    ${Else}
+      ExecWait '"$PLUGINSDIR\MediaInfoInstaller.exe" /S'
+    ${EndIf}
+  ${Else}
+    MessageBox MB_OK "Download Status: $0"
+  ${EndIf}
+
+  ; Make sure PLUGINSDIR is not locked and can be deleted
+  SetOutPath "$TEMP"
+
+  Quit
+SectionEnd