Add new d/u/metadata file

Name: ViennaRNA

Reference:

 - Author: >

    Lorenz, Ronny and Bernhart, Stephan H. and Höner zu Siederdissen,

    Christian and Tafer, Hakim and Flamm, Christoph and Stadler, Peter

    F. and Hofacker, Ivo L.

   Title: ViennaRNA Package 2.0

   Journal: Algorithms for Molecular Biology

   Volume: 6

   Number: 1

   Page: 26

   Year: 2011

   DOI: 10.1186/1748-7188-6-26

   URL: >

    https://almob.biomedcentral.com/articles/10.1186/1748-7188-6-26

   ePrint: >

    https://almob.biomedcentral.com/track/pdf/10.1186/1748-7188-6-26

Registry:

 - Name: OMICtools

   Entry: OMICS_09351

 - Name: bio.tools

   Entry: vienna_rna_package

 - Name: SciCrunch

   Entry: SCR_008550