Added NetHostBeef + Start of central preparation scripts

bin/prepare_dev.ps1

@@ -0,0 +1,16 @@
+Write-Output "Preparing repository for development..."
+
+# Change working directory to repository root
+Push-Location ($PSScriptRoot + "/..")
+
+$RootDirectory = $(Get-Location);
+
+# Note: When adding new scripts make sure to use "Set-Location $RootDirectory" if the script changes the working directory
+
+# Prepare NetHost
+Push-Location "GlitchyEngine/vendor/NetHostBeef"
+Invoke-Expression -Command "./downloadNethost.ps1"
+Pop-Location
+
+# Return to original working directory
+Pop-Location