updated docs

docs/source/index.rst

@@ -27,6 +27,7 @@ PyTorch Lightning Documentation
    metrics
    results
    trainer
+   tasks
 
 .. toctree::
    :maxdepth: 1

docs/source/tasks.rst

@@ -0,0 +1,3 @@
+Tasks
+=====
+To write

pytorch_lightning/tasks/fast_task.py

@@ -0,0 +1,5 @@
+
+class FastTask(object):
+
+    def __init__(self):
+        pass