Resolve "BiblioAPI"

Example:

• Request https://eupt-test.sub.uni-goettingen.de/api/eupt/biblio/ERQYN38Q
• Result: "<div><span class=\"author\">de Moor, J. C.</span>, <span class=\"date\">1980</span>: &quot;<span class=\"title\">El, the Creator</span>.&quot; <span class=\"book_title\">The Bible World. Essays in Honor of Cyrus H. Gordon</span>, edited by <span class=\"editors\">G. Rendsburg / R. Adler / M. Arfa / N. Winter</span>, <span class=\"pages\">171-187</span>. <span class=\"place\">New York</span>.</div>"

Closes #13 (closed)