Issue #486 Fix cran checks

[nikosbosse]

Fixes #486

This PR fixes a problems that I encountered during CRAN submission (several NOTEs on winbuilder). In particular:

• fixes a link to the European Forecast Hub github repo which has changed
• fixes a broken link in the package documentation
• fixes an issue with spell checking (see below)

While checking the package on Winbuilder, I got the following note:

Possibly misspelled words in DESCRIPTION:
Bosse (45:25)
al (45:34)
et (45:31)
scoringutils (44:50)

So I added those words to inst/WORDLIST which I hoped would fix the issue (all other names like Eggo etc. are there and it seems fine). That didn't work so eventually I just reworded it and dropped the names. Since CRAN is always right I guess that's the easiest (although not ideal) way to solve this.

During checking I also sometimes got this NOTE:

Found the following (possibly) invalid DOIs:
DOI: 10.1198/016214506000001437

I checked the DOI and it is correct. I also didn't get this consistently, so maybe it's just a fluke. A similar note was the reason I also changed the link to the scoringutils paper from <arxiv> to <doi>

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8ac4fc9) 90.92% compared to head (2e8b824) 90.92%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #505   +/-   ##
=======================================
  Coverage   90.92%   90.92%           
=======================================
  Files          23       23           
  Lines        1399     1399           
=======================================
  Hits         1272     1272           
  Misses        127      127           

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[seabbs]

That didn't work so eventually

I don't understand why this wouldn't work?

[seabbs]

LGTM