Add build batch file

Build.bat

@@ -0,0 +1,39 @@
+@echo off
+
+set                        MSBUILD="C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin\msbuild.exe"
+if not exist %MSBUILD% set MSBUILD="C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\15.0\Bin\msbuild.exe"
+if exist %MSBUILD% goto :BUILD
+
+echo Cannot find msbuild.exe
+exit /b 1
+
+:BUILD
+set SOLUTION="%~dp0opensky-to-basestation.sln"
+
+echo Cleaning binaries
+call "%~dp0Clean.bat"
+echo.
+
+echo Restoring NuGet packages
+%MSBUILD% -t:restore %SOLUTION%
+IF ERRORLEVEL 1 GOTO :ELERROR
+echo.
+
+echo Building debug configuration
+%MSBUILD% -t:build -property:Configuration=Debug %SOLUTION%
+IF ERRORLEVEL 1 GOTO :ELERROR
+echo.
+
+echo Building release configuration
+%MSBUILD% -t:build -property:Configuration=Release %SOLUTION%
+IF ERRORLEVEL 1 GOTO :ELERROR
+echo.
+
+goto :END
+
+:ELERROR
+echo The last command returned a non-zero error level. The build failed.
+exit /b 1
+
+:END
+exit /b 0

Clean.bat

@@ -0,0 +1,2 @@
+@echo off
+powershell -ExecutionPolicy Bypass -File "%~dp0CleanObjAndBin.ps1" -sourceRoot %~dp0

CleanObjAndBin.ps1

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+param(
+    [Parameter(Mandatory=$True)]
+    $sourceRoot
+)
+
+Write-Output "Removing obj folders from $sourceRoot"
+Dir -Path "$sourceRoot" obj -Directory -Recurse | Remove-Item -Force -Recurse
+
+Write-Output "Removing bin folders from $sourceRoot"
+Dir -Path "$sourceRoot" bin -Directory -Recurse | Remove-Item -Force -Recurse