added base translation file and DE translation

lang/C/messages.po

@@ -0,0 +1,36 @@
+# ADDON mathcaptcha
+# Copyright (C) 
+# This file is distributed under the same license as the Friendica mathcaptcha addon package.
+# 
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2019-04-20 09:38+0200\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"Language: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+#: mathcaptcha.php:54
+msgid "The solution for the captcha was incorrect"
+msgstr ""
+
+#: mathcaptcha.php:102
+msgid "Captcha"
+msgstr ""
+
+#: mathcaptcha.php:103
+msgid ""
+"In order to continue with the registration, please solve the following "
+"calculation."
+msgstr ""
+
+#: mathcaptcha.php:104
+msgid "You have to type in the solution of the calculation"
+msgstr ""