gluon-web-cellular: add German translation

Co-authored-by: Jan-Niklas Burfeind <github@aiyionpri.me>

package/gluon-web-cellular/i18n/de.po

+msgid ""
+msgstr ""
+"Content-Type: text/plain; charset=UTF-8\n"
+"Project-Id-Version: PACKAGE VERSION\n"
+"PO-Revision-Date: 2023-01-23 13:33+0100\n"
+"Last-Translator: Tom Herbers <mail@tomherbers.de>\n"
+"Language-Team: German\n"
+"Language: de\n"
+"MIME-Version: 1.0\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+msgid "APN"
+msgstr ""
+
+msgid "Cellular"
+msgstr ""
+
+msgid "Enabled"
+msgstr "Aktiviert"
+
+msgid "IPv4"
+msgstr ""
+
+msgid "IPv4/IPv6"
+msgstr ""
+
+msgid "IPv6"
+msgstr ""
+
+msgid "Password"
+msgstr "Passwort"
+
+msgid "SIM PIN"
+msgstr ""
+
+msgid "Type"
+msgstr "Typ"
+
+msgid "Username"
+msgstr "Nutzername"
+
+msgid ""
+"You can enable uplink via cellular service. If you decide so, the VPN "
+"connection is established using the integrated WWAN modem."
+msgstr ""
+"Du kannst den Uplink über einen Mobilfunk Service aktivieren. Wenn du "
+"dich dafür entscheidest, wird die VPN-Verbindung über das integrierte "
+"Mobilfunk-Modem hergestellt."