Support for XEP-203

Need to finish XEP-0082 before merge

stanza/delay.go

@@ -0,0 +1,20 @@
+package stanza
+
+import "encoding/xml"
+
+/*
+Support for:
+- XEP-0203: Delayed Delivery: https://xmpp.org/extensions/xep-0203.html
+*/
+
+const NSDelay = "urn:xmpp:delay"
+
+type Delay struct {
+	XMLName xml.Name   `xml:"urn:xmpp:delay delay"`
+	From    string     `xml:"from,attr"`
+	date    JabberDate // TODO
+}
+
+func init() {
+	TypeRegistry.MapExtension(PKTMessage, xml.Name{Space: NSDelay, Local: "delay"}, Delay{})
+}