Add update script

update.php

@@ -0,0 +1,47 @@
+<?php
+function extract_strings($cont)
+{
+	preg_match_all("/([a-z_]+): `([^`]*)`,/", $cont, $matches, PREG_SET_ORDER, 0);
+	$strings = [];
+	foreach ($matches as $match)
+	{
+		$strings[$match[1]] = $match[2];
+	}
+	return $strings;
+}
+
+$source = file_get_contents("client-webui/en.js");
+$source_strings = extract_strings($source);
+$source_lines = explode("\n", $source);
+
+foreach (scandir("client-webui") as $file)
+{
+	if (is_file("client-webui/$file") && $file != "en.js")
+	{
+		$cont = file_get_contents("client-webui/$file");
+		$target_strings = extract_strings($cont);
+		$fh = fopen("client-webui/$file", "wb");
+		fwrite($fh, explode("\n", $cont)[0]."\n");
+		foreach ($source_lines as $line)
+		{
+			if ($strings = extract_strings($line))
+			{
+				foreach ($strings as $key => $value)
+				{
+					if (array_key_exists($key, $target_strings))
+					{
+						fwrite($fh, "\t$key: `$target_strings[$key]`,\n");
+					}
+					else
+					{
+						fwrite($fh, "\t$key: `[UNTRANSLATED] $value`,\n");
+					}
+				}
+			}
+			else
+			{
+				fwrite($fh, $line."\n");
+			}
+		}
+	}
+}