add german translation
add german translation

dejavusecurity/OutlookPrivacyPlugin,korusdipl/OutlookPrivacyPlugin,tobiasge/OutlookPrivacyPlugin,korusdipl/OutlookPrivacyPlugin,Baebeca/OutlookPrivacyPlugin,Baebeca/OutlookPrivacyPlugin,dejavusecurity/OutlookPrivacyPlugin,tobiasge/OutlookPrivacyPlugin