Add missing scripts

uninstall_agent.cmd

@@ -0,0 +1,29 @@
+@echo off
+setlocal
+cd /D "%~dp0"
+echo This script uninstalls the Beszel agent
+echo.
+
+call env.cmd
+
+echo Checking adminstrative rights
+rem from https://stackoverflow.com/questions/7985755/how-to-detect-if-cmd-is-running-as-administrator-has-elevated-privileges
+net session >nul 2>&1
+if %errorlevel% equ 0 (
+	echo Administrative rights check OK
+) else (
+	echo You are NOT Administrator. Start the script from an administrative cmd.exe shell...
+	goto end
+)
+
+echo Stopping Beszel agent service
+%NSSMEXE% stop %SERVICENAME% >nul 2>&1
+
+echo Removing Beszel agent service
+%NSSMEXE% remove %SERVICENAME% >nul 2>&1
+
+echo Deleting installation directory
+rd /q/s %DESTINATIONDIR% >nul 2>&1
+
+:end
+ech Done.