add venv* to gitignore

Author: ThomasMalletCodra

.gitignore

@@ -37,6 +37,16 @@ var/
 .installed.cfg
 *.egg
 
+# Environments
+.env*
+.envrc
+.venv*
+env*/
+venv*/
+ENV/
+env.bak/
+venv.bak/
+
 # PyInstaller
 #  Usually these files are written by a python script from a template
 #  before PyInstaller builds the exe, so as to inject date/other infos into it.