Testing utility docs (#11805)

* feat: set up docs

* feat: draft new testing utilities docs

* first round of review fixes

* second round of review edits

* third round of review edits

* more edits

* more edits

* Update docs/source/development-testing/schema-driven-testing.mdx

Co-authored-by: Lenz Weber-Tronic <lorenz.weber-tronic@apollographql.com>

* add msw vs createschemafetch faq section

* add msw example

* add a "Modifying a test schema using `testSchema.add` and `testSchema.fork`" section

---------

Co-authored-by: Lenz Weber-Tronic <lorenz.weber-tronic@apollographql.com>

.prettierignore

@@ -24,6 +24,7 @@
 !/docs/source/development-testing
 /docs/source/development-testing/**
 !/docs/source/development-testing/reducing-bundle-size.mdx
+!/docs/source/development-testing/schema-driven-testing.mdx
 
 !docs/shared
 /docs/shared/**

docs/source/api/react/hooks-experimental.mdx

@@ -3,4 +3,4 @@ title: Hooks (experimental)
 description: Apollo Client experimental react hooks API reference
 ---
 
-The latest minor version of Apollo Client (`3.8`) has no experimental hooks. Please see the [Hooks page](./hooks) for a list of available stable React hooks.
+The latest minor version of Apollo Client has no experimental hooks. Please see the [Hooks page](./hooks) for a list of available stable React hooks.

docs/source/config.json

@@ -49,6 +49,7 @@
       "Developer tools": "/development-testing/developer-tooling",
       "Using TypeScript": "/development-testing/static-typing",
       "Testing React components": "/development-testing/testing",
+      "Schema-driven testing": "/development-testing/schema-driven-testing",
       "Mocking schema capabilities": "/development-testing/client-schema-mocking",
       "Reducing bundle size": "/development-testing/reducing-bundle-size"
     },