GFK 2023 Q1 content drop (#5822)

GFK 2023 Q1 content drop  (#5822)

* “Ruby” & “Tsume” glossary terms

* Better placeholder `term.textproto` files for Ruby + Tsume

* Setting up "The complications of typographic size on the web"

* No need for figcaptions

* Replacing PNG with SVG

* Changing from PNG to SVG in .md

* Copy edits + link insertion for Nick’s article

* Proofreading edits to Nick’s article

* Adding additional text on fonts named “Pro”

* Copy edits from Nick

* Extra changes to Nick’s article

* Adding `adding_fonts_to_google_docs`

* Adding new Glossary terms

* New copy (much more!) for `point_size` entry

* Actual illos for all new Glossary terms

* Final copy tweaks from Nick

* Deleting `ruby` + `tsume` Glossary terms

* Basic markdown + metadata for Syllabics module

* Proper metadata formatting for `Syllabics` module

* Renaming all `Syllabics` lessons + removing refs to numbered versions

* Illo placeholder markup

* Correcting formatting of captions

* SVGOMG-optimized SVG illos for all `Syllabics` articles

* Basic markup for `typesetting_on_a_curved_path`

* Inserting proper illos + figcaptions

* SVGOMG-optimized illos

* Module place for `typesetting_on...`

* Contrib. metadata for `typesetting_on...`

* Adding `thumbnail.svg`

* Adding `thumbnail.svg` for all Syllabics articles

* Create thumbnail.svg

* SVG illo + figcaption placement for new Glossary terms

* Alt text for new Glossary terms’ illos

* `excerpt` metadata for all new Glossary terms

* Alt text for Nick’s article

* Alt text + metadata for `adding_fonts_to_google_docs`

* Alt text for `typesetting_on_a_curved_path`

* Syllabics map caption re-formatting (still not sure)

* Actual img paths + alt text for all Syllabics articles

* Trying to fix `Continuous Test / check_knowledge_graph` errors

* Trying to fix again

* Check error fixing

* Fixing more typos in metadata to solve issues

* Fixing `INSERT_PREV` etc. metadata

* Removing large SVGs (we have PNGs anyway)

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Co-authored-by: Sarah Daily <52079926+repeatdailystudio@users.noreply.github.com>