Modify .gitignore to prevent duplicating example files

Signed-off-by: David Laseca Perez <davidlaseca@eprosima.com>

Author: David-LP99

.gitignore

@@ -59,6 +59,7 @@ log/
 docs/rst/_static/css/eprosima-furo.css
 docs/rst/_static/eprosima-logo-white.png
 docs/rst/_templates/sidebar/
+docs/resources/examples/
 
 
 ### Python ###