added togglenetwork module in torcontrol

src/netcontroller/torcontrol/togglenetwork.py

@@ -0,0 +1,11 @@
+from . import torcontroller
+
+
+def enable_tor_network_connection():
+    with torcontroller.get_controller() as controller:
+        c.set_conf("DisableNetwork", 0)
+
+
+def disable_tor_network_connection():
+    with torcontroller.get_controller() as controller:
+        c.set_conf("DisableNetwork", 1)