Add one-click installers for admin and user batch scripts

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

seediso/windows11/70-Install-ws2tcp-local-Admin.bat

@@ -5,7 +5,7 @@ title Install ws2tcp-local
 fltmc >nul 2>&1
 if errorlevel 1 (
     echo Please right-click this file and choose "Run as administrator".
-    pause
+    if not defined INSTALL_ALL pause
     exit /b 1
 )
 
@@ -17,7 +17,7 @@ set "URL="
 for /f "usebackq delims=" %%U in (`powershell -NoProfile -ExecutionPolicy Bypass -Command "(Invoke-RestMethod -UseBasicParsing '%MANIFEST%').windows_url"`) do set "URL=%%U"
 if not defined URL (
     echo Could not read the download URL from %MANIFEST%.
-    pause
+    if not defined INSTALL_ALL pause
     exit /b 1
 )
 
@@ -25,7 +25,7 @@ echo Downloading %URL%...
 curl.exe -fL --retry 3 -o "%INSTALLER%" "%URL%"
 if errorlevel 1 (
     echo Download failed.
-    pause
+    if not defined INSTALL_ALL pause
     exit /b 1
 )
 
@@ -40,7 +40,7 @@ if "%RC%"=="0" (
 ) else (
     echo The installer exited with code %RC%.
 )
-pause
+if not defined INSTALL_ALL pause
 exit /b %RC%
 
 :desktop_shortcut