message: docs(citation): prettify citation on main page of docs
diff: @@ -15,17 +15,21 @@ All tools are powered by the same algorithms, they consume the same inputs and p
  Nextclade is a part of `Nextstrain <https://nextstrain.org>`_, an open-source project to harness the scientific and public health potential of pathogen genome data. All source code is available on `GitHub <https://github.com/nextstrain/nextclade>`_.
  ----------------------------------------
  -Referring to Nextclade in a publication
  ----------------------------------------
  -If you use results obtained with Nextclade in a publication, we suggest you cite our preprint:
  +.. note::
  +
  + **Referring to Nextclade in a publication**
  +
  + If you use results obtained with Nextclade in a publication, please
  +
  + - cite our preprint:
  +
  + Ivan Aksamentov, Cornelius Roemer, Emma B Hodcroft, & Richard A Neher. (2021). Nextclade: clade assignment, mutation calling and quality control for viral genomes. https://doi.org/10.5281/zenodo.5607694
  +
  + - where possible, provide a link to Nextclade Web:
  -| **Nextclade: clade assignment, mutation calling and quality control for viral genomes**
  -| /Ivan Aksamentov; Cornelius Roemer; Emma B Hodcroft; Richard A Neher/
  + https://clades.nextstrain.org
  -.. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.5607694.svg
  - :target: https://doi.org/10.5281/zenodo.5607694
  .. note::
  Do you find Nextclade useful? Tell us about your use-case and experience with it.
  