Add some French translation to index.po for testing

locale/fr/LC_MESSAGES/index.po

@@ -21,14 +21,17 @@ msgstr ""
 
 #: ../docs/index.rst:7
 msgid "Godot Docs – *master* branch"
-msgstr ""
+msgstr "Godot Docs – branche *master*"
 
 #: ../docs/index.rst:9
 msgid ""
 "This is the documentation for the unstable (master) branch. Looking for "
 "the documentation of the current **stable** branch? `Have a look here "
 "<http://docs.godotengine.org/en/stable>`_."
 msgstr ""
+"Ceci est la documentation de la branche de développement (master). Si "
+"vous cherchez la documentation de la version **stable**, `c'est ici "
+"<http://docs.godotengine.org/fr/stable>`_."
 
 #: ../docs/index.rst:13
 msgid ""