Check if biocViews is empty

[llrs]

As discussed in #24 I implemented the change.

I added a bullet in the NEWS trying to keep the format and bumped the version using usethis::use_version.

[gaborcsardi]

Thanks! Looks good, requested some small changes.

[codecov-io]

Codecov Report

Merging #25 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master      #25   +/-   ##
=======================================
  Coverage   92.73%   92.73%           
=======================================
  Files           8        8           
  Lines         234      234           
=======================================
  Hits          217      217           
  Misses         17       17

Impacted Files	Coverage Δ
R/package-info.R	92.92% <100%> (ø)	⬆️

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[gaborcsardi]

Thanks! Just one more tiny formatting request above.

[gaborcsardi]

Thanks much!