* Extend documentation for date time handling.
* Use h2 instead of h3 for ux patterns headlines.
* Move documentation into UserDateTimeProvider.
* Add documentation for Timestamp component.
* Extend documentation for date tiem utils and RelativeTime component.
* Improve documentation for toUTCFromTz date time util.
* Cleanup
* Fix toUTCFromTz test.
* Adding/updating packages.
* Make use of `Outlet`, migrate router config.
(cherry picked from commit ba22e4300c1fa967cb15f81fcdb458149a7dbf7d)
* Turning browser router into data router.
* Allowing to reuse `PageContentLayout` as well.
(cherry picked from commit 0937111630d76b0898494a86e1acf1fb5492bd07)
* Using `useNavigate` to navigate to link.
(cherry picked from commit 03d26a5bc862291c613985337e9ac925e1f09c1a)
* Making use of `useNavigate`.
(cherry picked from commit 84a8f6a0791db5345fa92af1b0972efb26708526)
* Using `navigate` instead of `history`.
(cherry picked from commit 5a73c7574f0012812be07c17a5cd08d9c95c2de9)
* Type is not generic anymore.
(cherry picked from commit b7d72912c40de190f9908728ddfe7ca49f350f0f)
* Fixing up.
* Replacing `useHistory` with `useNavigate`.
(cherry picked from commit e1965c7a976c09c554cecac40db9ff40b405ca92)
* Using `useNavigate`.
(cherry picked from commit 028589974244fa28fb512d7a837c1b9bc1671c7a)
* Removing generic parameter.
(cherry picked from commit 690a994e5a89026c15c638db085839404e6c0782)
* Using `useLinkClickHandler` instead of `useNavigate`.
(cherry picked from commit a637039d55cc4473893910702960394e42bee49b)
* Revert "Using `useLinkClickHandler` instead of `useNavigate`."
This reverts commit 17a219cc42ef48ad34001488e4f599c9e7342c8a.
* Making use of `useBlocker` to replace previous `Prompt`.
* Adjusting `LinkContainer` test.
* Using `useLinkClickHandler` instead of `useNavigate`.
(cherry picked from commit a637039d55cc4473893910702960394e42bee49b)
* Fixing up merge.
(cherry picked from commit 85fdb1fe33a79b319838c4536e49e772562c7a86)
* Fixing up `ReportedErrorBoundary` test.
* Improving typing in test.
(cherry picked from commit e62d80fb10be4fafb89c422892829adbd23fb9d0)
* Fixing up test.
(cherry picked from commit aec8daccb078b95abbee5c9e0923701d05289fbf)
* Improving `AppRouter` tests.
(cherry picked from commit dd7718a56a6064d02e528f7e7fe81e74fe7a6c59)
* Fixing up test.
(cherry picked from commit 18d1f047334ec4583dd1fc1e611f298d337427d8)
* Fixing up `AppRouter` test.
* Prevent double wrapping.
(cherry picked from commit d8e496131550bbf84bc986b53581c2927ac4acc8)
* Avoid double wrapping in test.
(cherry picked from commit 8020eac7becf144953ce58cc1ff3204c0679ac89)
* Updating test.
(cherry picked from commit 60bb82023aed585f021ab125cd04f2d069e89e42)
* Adding type.
* Improving tests for `WidgetFocusProvider`.
(cherry picked from commit 2b47daa1051b2a85a33a0fc727c79bf6dc46e319)
* Fixing up `Navigation` test.
(cherry picked from commit 3613e591e5e9e007b7d32eb74f7e4ab2213e256e)
* Fixing up type.
* Fixing up type.
* Adding `renderWithDataRouter`.
* Using `renderWithDataRouter` in test.
* Migrating test to `testing-library`.
* Fixing up test for `usePaginationQueryParameter`.
* Replacing usages of `util/History` with `useHistory`.
* Remove redirecting to start page when plain text request fails with 403.
* Removing `util/History`.
* Using `RouterProvider` in style guide wrapper.
* Adding license headers.
* Fixing up typing issues.
* Fixing up linter hints.
* Fixing up tests.
