Update multidisciplinary-digital-publishing-institute.csl

[enyedi]

Added formatting for "standard" type (e.g. ISO 9001). The "MDPI Reference List and Citations Style Guide" (https://mdpi-res.com/data/mdpi_references_guide_v9.pdf) does not specify it, but sends to the ACS Style Guide (https://pubs.acs.org/doi/full/10.1021/acsguide.40303). The ACS guide does give an example for formatting a "standard":

institution or publisher. italic title; number; location, year. DOI: doinumber

I kept "year" in bold, as the rest of the MDPI reference styles, although ACS does not use bold there. I also kept "volume" and "page", maybe there are standards which use that.

[github-actions]

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[github-actions]

😃 Your submission passed all our automated tests.

Below are some sample citations generated based on your proposed changes:

multidisciplinary-digital-publishing-institute.csl (modified style; unchanged output for sample items)

[1,2]
[3,4]

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1. Beyond Varieties of Capitalism: Conflict, Contradiction, and Complementarities in the European Economy; Hancké, B., Rhodes, M., Thatcher, M., Eds.; Oxford University Press: Oxford and New York, 2007; ISBN 978-0-19-920648-3.
2. CSL Search by Example Available online: http://editor.citationstyles.org/searchByExample/ (accessed on 15 December 2012).
3. Mares, I. Firms and the Welfare State: When, Why, and How Does Social Policy Matter to Employers? In Varieties of capitalism. The institutional foundations of comparative advantage; Hall, P.A., Soskice, D., Eds.; Oxford University Press: New York, 2001; pp. 184–213.
4. Fenner, M.; Crosas, M.; Grethe, J.S.; Kennedy, D.; Hermjakob, H.; Rocca-Serra, P.; Durand, G.; Berjon, R.; Karcher, S.; Martone, M.; et al. A Data Citation Roadmap for Scholarly Data Repositories. Sci. Data 2019, 6, 28, doi:10.1038/s41597-019-0031-8.

[bwiernik]

Thanks!