Merge pull request #79 from kraken-tech/index-docs

Add first draft of index.md

Author: meshy

docs/index.md

@@ -1 +1,6 @@
-# Subatomic docs
+# Django Subatomic
+
+Django Subatomic enables precise control over transaction logic in Django.
+
+* To read about why Django Subatomic exists, see [Django's Atomic](why.md).
+* For how to use Django Subatomic, see [Transactions and Savepoints](transactions-savepoints-and-atomic.md).