Modularize code;

Add packaging instructions;
Add modules to handle Gemini file type (no Gemini server yet);
Improve handling of configuration.

xmpp/xep_0060.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+from slixmpp.exceptions import IqError, IqTimeout
+
+class XmppXep0060:
+
+    async def get_node_item(self, pubsub, node, item_id):
+        try:
+          iq = await self.plugin['xep_0060'].get_item(pubsub, node, item_id, timeout=5)
+          return iq
+        except (IqError, IqTimeout) as e:
+          print(e)
+    
+    async def get_node_items(self, pubsub, node):
+        try:
+          iq = await self.plugin['xep_0060'].get_items(pubsub, node, timeout=5)
+          return iq
+        except (IqError, IqTimeout) as e:
+          print(e)
+    
+    async def get_nodes(self, pubsub):
+        try:
+          iq = await self.plugin['xep_0060'].get_nodes(pubsub, timeout=5)
+          return iq
+        except (IqError, IqTimeout) as e:
+          print(e)