Merge pull request #94 from dahlia/badges

README: badges & fix typo

Author: dahlia

README.rst

@@ -1,9 +1,17 @@
 nirum-python
 ============
 
+.. image:: https://badge.fury.io/py/nirum.svg
+   :target: https://pypi.org/project/nirum/
+   :alt: Latest PyPI version
+
+.. image:: https://travis-ci.org/spoqa/nirum-python.svg
+   :target: https://travis-ci.org/spoqa/nirum-python
+   :alt: Build status
+
 The Nirum_ runtime library for Python.  Distributed under MIT license.
 
-(You probably don't need directly use this package.)
+(You probably don't need to directly use this package.)
 
 .. _Nirum: https://github.com/spoqa/nirum