* Parse color_mode cookie in browser
* Update useTheme.ts
* Update use-theme.js
* Update use-theme.js
* Add support for dark_high_contrast
Per https://primer.style/css/support/theming
I also checked all the color mode options, this is the only additional working with Primer 20 so far
* Remove gray bg
* Remove type
* Use defaults instead of types for fn args
* Thicker types
* Move CSRF response back to XHR
* Update events.js
* Pass through cookieJar
* Enable session route test
* Skip next x csrf test
* Add other fields to endpoint for future issues
* Remove client side parts
* Revert test skip
* Use nested router pattern
* ugh forgot a file
* Update naming
* Update tests/rendering/session.js
Co-authored-by: Peter Bengtsson <peterbe@github.com>
* Updating to use cache control
* Use req.langauge and req.userLanguage
Co-authored-by: Peter Bengtsson <peterbe@github.com>
