Add crowdin download script

scripts/crowdin/download.ps1

@@ -0,0 +1,39 @@
+Set-StrictMode -Version Latest
+$ErrorActionPreference = 'Stop'
+$ProgressPreference = 'SilentlyContinue'
+
+$archiCrowdinPath = 'tools\ArchiCrowdin'
+$archiCrowdinScriptPath = "$archiCrowdinPath\archi.ps1"
+
+$crowdinConfigFileName = 'crowdin.yml'
+$crowdinIdentityFileName = 'crowdin_identity.yml'
+$crowdinIdentityPath = "$archiCrowdinPath\$crowdinIdentityFileName"
+
+$archiTargets = @('ASF-ui', 'ASF-WebConfigGenerator', 'this')
+
+Push-Location "$PSScriptRoot"
+
+try {
+	for ($i = 0; ($i -lt 3) -and (!(Test-Path "$crowdinConfigFileName" -PathType Leaf)); $i++) {
+		Set-Location ..
+	}
+
+	if (!(Test-Path "$crowdinConfigFileName" -PathType Leaf)) {
+		throw "$crowdinConfigFileName could not be found, aborting."
+	}
+
+	if (!(Test-Path "$archiCrowdinScriptPath" -PathType Leaf)) {
+		throw "$archiCrowdinScriptPath could not be found, aborting."
+	}
+
+	if (!(Test-Path "$crowdinIdentityPath" -PathType Leaf)) {
+		throw "$crowdinIdentityPath could not be found, aborting."
+	}
+
+	$ErrorActionPreference = 'Continue'
+	& "$archiCrowdinScriptPath" -t:$archiTargets -d -c -p
+} finally {
+	Pop-Location
+}
+
+pause