forgot two files in backends

lib/backends/backend.py

@@ -0,0 +1,11 @@
+"""
+Backends can be a http service or xml-rpc service; let's say background threads providing an interface somewhere. They
+should run as background threads.
+
+Backends are absolutely no requirement for running Linspector.
+"""
+
+
+class Backend():
+    def __init__(self, **kwargs):
+        return