Indicate compatibility between 3.0 and Pylint 1.7.4

Frank Bessou · Frank Bessou · commit 613b878008a0 · 2018-09-07T10:45:13.000+02:00
diff --git a/README.md b/README.md
@@ -24,3 +24,4 @@ cnes-pylint-extension checks the following metrics :
 Available versions :
 - Version 1.0 - compatible pylint 1.5
 - Version 2.0 - compatible pylint 1.6
+- Version 3.0 - compatible pylint 1.7.4
