Issue 3555 links

[anisa-hawes]

Replacing some broken links across the site:

1. EN building-static-sites-with-jekyll-github-pages + ES translation sitios-estaticos-con-jekyll-y-github-pages, there is a link to guidance on unhiding the Library folder.

• http://www.macobserver.com/tmo/article/mavericks-easily-make-user-library-folder-visible (broken)
• https://support.native-instruments.com/hc/en-us/articles/360020012418-Accessing-the-Hidden-User-Library-macOS (suggested replacement)

2. Research pages, a link to the programme of the 2021 Association of History Literature Science and Technology (AHLiST) conference.

• http://ahlist.org/wp-content/uploads/2021/11/AHLIST-2021-PROGRAM_Virtual_FINAL.pdf (broken)
• https://visionarias.es/wp-content/uploads/2021/11/AHLIST-2021-PROGRAM_PRINT_V2.pdf (suggested replacement)

Closes #3555

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[jenniferisasi]

All good!

[anisa-hawes]

Gracias, @jenniferisasi!
Sometimes it seems they just all break at once! 😅

--

Hello @hawc2 and @marie-flesch,
Just to keep you updated on a few link fixes.

With thanks,
Anisa