Add makemessages tox environment

tox.ini

@@ -47,6 +47,11 @@ commands =
     poetry run isort aleksis/
     poetry run black aleksis/
 
+[testenv:makemessages]
+commands =
+    poetry run aleksis-admin makemessages --no-wrap -e html,txt,py,email -i static -l ar -l de_DE -l fr -l nb_NO -l tr_TR -l la
+    poetry run aleksis-admin makemessages --no-wrap -d djangojs -i **/node_modules -l ar -l de_DE -l fr -l nb_NO -l tr_TR -l la
+
 [flake8]
 max_line_length = 100
 exclude = migrations,tests