Browsing German translation

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**Show people in public search**: If allowed, :index:`usernames can appear in public search results <single: Administration; Show people in public search>`. In addition, this feature needs to have the :index:`value <single: config.php; publicsearchallowed>` ``$cfg->publicsearchallowed = true;`` set in your config.php file and requires a search plugin that allows public search, e.g. Elasticsearch.