Add Spanish translation

AUTHORS.rst

@@ -23,6 +23,7 @@
 | Donald Stufft <donald.stufft@gmail.com>
 | Douglas Meehan <dmeehan@gmail.com>
 | Emin Bugra Saral <eminbugrasaral@me.com>
+| Enrique Matías Sánchez <cronopios@gmail.com>
 | Eran Rundstein <eranrund@gmail.com>
 | Eugene Kuznetsov <atorich@gmail.com>
 | Felipe Prenholato <felipe.rafael@pdg.com.br>

model_utils/locale/es/LC_MESSAGES/django.po

@@ -0,0 +1,43 @@
+# This file is distributed under the same license as the django-model-utils package.
+#
+# Translators:
+# Enrique Matías Sánchez <cronopios@gmail.com>, 2020.
+msgid ""
+msgstr ""
+"Project-Id-Version: django-model-utils\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2020-03-29 10:59+0200\n"
+"PO-Revision-Date: 2020-03-29 11:14+0100\n"
+"Last-Translator: Enrique Matías Sánchez <cronopios@gmail.com>\n"
+"Language-Team: \n"
+"Language: es\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Lokalize 2.0\n"
+
+#: models.py:28
+msgid "created"
+msgstr "creado"
+
+#: models.py:29
+msgid "modified"
+msgstr "modificado"
+
+#: models.py:51
+msgid "start"
+msgstr "inicio"
+
+#: models.py:52
+msgid "end"
+msgstr "fin"
+
+#: models.py:67
+msgid "status"
+msgstr "estado"
+
+#: models.py:68
+msgid "status changed"
+msgstr "estado modificado"
+