add missing config options to schema definition

Author: xabbuh

Resources/config/schema/monolog-1.0.xsd

@@ -84,6 +84,8 @@
         <xsd:attribute name="api_version" type="xsd:string" />
         <xsd:attribute name="include-stacktraces" type="xsd:string" />
         <xsd:attribute name="content-type" type="xsd:string" />
+        <xsd:attribute name="webhook-url" type="xsd:string" />
+        <xsd:attribute name="slack-team" type="xsd:string" />
     </xsd:complexType>
 
     <xsd:simpleType name="level">