add a script to create local help, respect Chinese naming differences

scripts/create-local-help.sh

@@ -0,0 +1,4 @@
+../deltachat-pages/tools/create-local-help.py ../deltachat-pages/_site deltachat-ios/Assets/Help/ --add-top-links
+
+rm -r deltachat-ios/Assets/Help/zh-Hant
+mv deltachat-ios/Assets/Help/zh_CN deltachat-ios/Assets/Help/zh-Hant