plugin file sharing component: first draft:

this component act as an endpoint where a user can store and retrieve its files using Jingle.

src/plugins/plugin_xep_0260.py

@@ -41,6 +41,7 @@ PLUGIN_INFO = {
     C.PI_NAME: "Jingle SOCKS5 Bytestreams",
     C.PI_IMPORT_NAME: "XEP-0260",
     C.PI_TYPE: "XEP",
+    C.PI_MODES: C.PLUG_MODE_BOTH,
     C.PI_PROTOCOLS: ["XEP-0260"],
     C.PI_DEPENDENCIES: ["XEP-0166", "XEP-0065"],
     C.PI_RECOMMENDATIONS: ["XEP-0261"], # needed for fallback