added bat files to install and uninstall DDNSUpdater as Service

bin/install_ddnsupdater_service.bat

@@ -0,0 +1,17 @@
+@echo off
+REM Check if a path parameter was provided
+IF "%~1"=="" (
+    echo Usage: install_ddns_service.bat ^<path_to_exe^>
+    exit /b 1
+)
+
+SET EXE_PATH=%~1
+
+REM Create the service (auto-start)
+sc create DDNSUpdaterService binPath= "%EXE_PATH%" start= auto
+
+REM Start the service
+sc start DDNSUpdaterService
+
+echo Service DDNSUpdaterService installed and started.
+pause

bin/uninstall_ddnsupdater_service.bat

@@ -0,0 +1,5 @@
+@echo off
+sc stop DDNSUpdaterService
+sc delete DDNSUpdaterService
+echo Service DDNSUpdaterService stopped and deleted.
+pause