add regions field to manifest.xml
@@ -116,6 +116,7 @@ extension_xml_file_content = """<ExtensionImage xmlns="http://schemas.microsoft.
<IsJsonExtension>true</IsJsonExtension>
<SupportedOS>Linux</SupportedOS>
<CompanyName>Microsoft</CompanyName>
+<!--%%REGIONS%%-->
</ExtensionImage>""" % (CommonVariables.extension_type, CommonVariables.extension_version, CommonVariables.extension_label, CommonVariables.extension_description)
extension_xml_file = open('manifest.xml', 'w')
