Add FOUCE utilities (#686)

* add fouce utilities

* add comment

* Update docs/docs/installation.md

Co-authored-by: Lea Verou <lea@verou.me>

* commit PR suggestion

* rename wa-reduce-fouce to wa-cloak

* remove class as requested

* add cloak class

* wait a cycle

* move turbo to same file

* reduce fade

* disable SSR and add Turbo FOUCE helper

* disable SSR

* fix test suite

* workflow dispatch

* update fouce util

* no need to remove cloak class

* simplify fouce util

* add allDefined util

* update changelog

---------

Co-authored-by: Lea Verou <lea@verou.me>
Co-authored-by: konnorrogers <konnor5456@gmail.com>

.github/workflows/ssr_tests.js.yml

@@ -1,11 +1,12 @@
-# # This workflow will do a clean install of node dependencies, cache/restore them, build the source code and run tests across different versions of node
-# # For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+# This workflow will do a clean install of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
 
 name: SSR Tests
 
 on:
-  push:
-    branches: [next]
+  # push:
+  #   branches: [next]
+  workflow_dispatch:
 
 jobs:
   ssr_test: