[damned-lies] fix: adding .coverage in .gitignore

[Claude Paroz <claudep src gnome org>]

commit dbc3099446e3e238c5ae4f8980e53ad43ea73ea2
Author: Guillaume Bernard <associations guillaume-bernard fr>
Date:   Mon Apr 19 21:55:40 2021 +0200

    fix: adding .coverage in .gitignore

 .gitignore | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/.gitignore b/.gitignore
index 4a175e25..ca08117e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@ locale
 damnedlies/local_settings.py
 /media
 /static
+
+# Developper tools
+.coverage
\ No newline at end of file