Add jxmpp library

data/software.json

@@ -1647,6 +1647,15 @@
         "url": null
     },
     {
+        "categories": [
+            "library"
+        ],
+        "doap": "/hosted-doap/jxmpp.doap",
+        "name": "JXMPP",
+        "platforms": [],
+        "url": null
+    },
+   {
         "categories": [
             "client"
         ],

static/hosted-doap/jxmpp.doap

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+         xmlns="http://usefulinc.com/ns/doap#"
+         xmlns:xmpp="https://linkmauve.fr/ns/xmpp-doap#"
+         >
+  <Project>
+    <name>Smack</name>
+    <homepage rdf:resource="https://github.com/igniterealtime/jxmpp"/>
+    <programming-language>Java</programming-language>
+    <os>Android</os>
+    <os>Linux</os>
+    <os>macOS</os>
+    <os>Windows</os>
+
+    <category rdf:resource="https://linkmauve.fr/ns/xmpp-doap#category-library"/>
+  </Project>
+</rdf:RDF>