feat(curriculum): Add fCC Authors Page Project to JS Cert (#49826)

* feat(curriculum): Add fCC Authors Page Project to JS Cert

* Added intro.json, index.md, and meta.json files

* feat: wrote tests for the first twelve steps, also corrected step 11 test

* finished writing tests

* chore: cross-checked tests and fixed broken ones

* chore: fixed a merge conflict

* chore: fixed more merge conflicts

* chore: implemented Kris's suggestions

Co-authored-by: Kristofer Koishigawa <scissorsneedfoodtoo@gmail.com>

* chore: implemented Naomi's suggestions

Co-authored-by: Naomi Carrigan <nhcarrigan@gmail.com>

* combined steps eleven and twelve

* chore: implemented more suggestions from Naomi

Co-authored-by: Naomi Carrigan <nhcarrigan@gmail.com>

* chore: removed the intro json extra comma

* chore: debugging failed CI

* chore: debugging failed CI from step 6

* fix: still debugging CI issues

* ci: checking why CI failed

* ci: debugging CI failure in step 12

* chore: implemented Naomi's suggestions to make CI pass

Co-authored-by: Naomi Carrigan <nhcarrigan@gmail.com>

* ci: debugging CI failure in step 12

* feat: Tested for semi-colons in steps that don't allow it

* ci: debuggin step 17 CI failure

* chore: implemented Jessica's suggestions

Co-authored-by: Jessica Wilkins  <67210629+jdwilkin4@users.noreply.github.com>

* feat: rewrote tests for step 22

* fix: fixed small issues like typos and wrapping backticks around some words

* fix: rewrote tests for step 5 to follow Sem's recommendation

* fix: rewrote tests for step 28 to not be strict with backticks

* fix: fixed intro json file error

---------

Co-authored-by: Kristofer Koishigawa <scissorsneedfoodtoo@gmail.com>
Co-authored-by: Naomi Carrigan <nhcarrigan@gmail.com>
Co-authored-by: Jessica Wilkins  <67210629+jdwilkin4@users.noreply.github.com>

client/utils/help-category-map.json

@@ -128,5 +128,6 @@
   "learn-simple-and-compound-interest": "Python",
   "college-algebra-with-python-conclusion": "Python",
   "learn-data-structures-by-building-a-shopping-cart": "JavaScript",
+  "learn-fetch-and-promises-by-building-an-fcc-authors-page": "JavaScript",
   "learn-regular-expressions-by-building-a-spam-filter": "JavaScript"
 }