Merge pull request #42 from febus982/fix_async_examples

Fix async code examples

Author: febus982

docs/index.md

@@ -26,6 +26,7 @@ The scope of this package is to:
 
 * Be able to setup a basic application with a few lines of code
 * Avoid common pitfalls found in other plugins for session lifecycle
+* Allow to build a [decoupled application](https://github.com/febus982/bootstrap-python-fastapi) without being bound to HTTP frameworks
 
 ## Components maturity
 
@@ -73,7 +74,7 @@ o = MyModel()
 o.name = "John"
 with sa_manager.get_session() as session:
     session.add(o)
-    session.commit()
+    await session.commit()
 ```
 
 /// details | Long lived sessions and multithreading

docs/manager/config.md

@@ -82,7 +82,7 @@ The interfaces are exactly the same, however you'll need to `await` the relevant
 ```python
 async with sa_manager.get_session() as session:
     session.add(o)
-    session.commit()
+    await session.commit()
 ```
 
 Note that async implementation has several differences from the sync one, make sure