Add possibility to run 'pep8' checks

Steps to be performed to run 'pep8' checks in local venv:

1) Install 'tox' package first:
    $ pip install tox

2a) Run all the tests (currently, it is only pep8 checks):
    $ tox

2b) Run only 'pep8' checks:
    $ tox -e pep8

Change-Id: I7afc55bbab5bcbeb2920c3439259da2707ff9a04

1 files changed, 15 insertions, 0 deletions

diff --git a/README b/README
index e69de29b..07d7a27b 100644
--- a/README
+++ b/README
@@ -0,0 +1,15 @@
+=======
+Testing
+=======
+
+Install 'tox' package first:
+
+    $ pip install tox
+
+Run all the tests (currently, it is only pep8 checks):
+
+    $ tox
+
+Run only 'pep8' checks:
+
+    $ tox -e pep8