refactor(site): replace UserContext with userXService (#465)

* Install and configure XState

* userXService - typegen not working yet

* Lint, fix error transitions

* Lint

* Change initial state to handle loss of state

* Fix gitignore

* Fix types by hook or by crook

* Use xservice in all pages

* Glue/visual component separation

* Fix dependency merge

* Lint

* Remove UserContext

* Remove inspector

* Add typegen command to site/out

* Fix index page redirects

* DRY up nav and redirects

* Moves based on merge

* Moving Page helpers into Page dir

* Move xservice into src, update script

* Move and storybook navbarview

* Update docs

* Install MSW

* Reorganization, with apologies

* Missed spots

* Add mock handlers

* Configure jest for msw

* Fix typos

* Shift unit test to NavbarView

* Fix test types

* Rename NavbarView test

* Attempt at test, wip

* Fix config

* Be logged out, only warn

* Conditionally show text to help test

* Use a Context for MSW's sake

* mocks -> test_helpers

* Enable dev tools

* Format

* Fix import

* Fixes

* Lint

* run typegen postinstall

Co-authored-by: Bryan Phelps <bryan@coder.com>

site/jest.setup.ts

@@ -1,3 +1,19 @@
+import { server } from "./src/test_helpers/server"
+
+// Establish API mocking before all tests through MSW.
+beforeAll(() =>
+  server.listen({
+    onUnhandledRequest: "warn",
+  }),
+)
+
+// Reset any request handlers that we may add during the tests,
+// so they don't affect other tests.
+afterEach(() => server.resetHandlers())
+
+// Clean up after the tests are finished.
+afterAll(() => server.close())
+
 // Helper utility to fail jest tests if a console.error is logged
 // Pulled from this blog post:
 // https://www.benmvp.com/blog/catch-warnings-jest-tests/