* [SR] Snapshot and restore plugin boilerplate (elastic#32276)

* Initial plugin set up

* Set up client shell

* Add initial repository list routes

* Fix merge issues and some typings

* Decouple server from plugin.ts files, tighten up typings

* Use exported constant for required license

* Translate plugin name, more typings

* Fix more types, move list components under /home

* Remove unused var

* Change scss prefix

* Uncouple unmount logic from routing shim, and some other PR feedback

* [SR] Repository list and details UI (elastic#33367)

* Initial pass at repositories list UI

* Add detail panel for file system repositories, and a generic detail panel with json settings view

* Add detail components for other types

* Add detail panel footer, rename `useStateValue` to `useAppState`

* Fix detail panel footer

* Fix unused vars

* PR feedback

* PR feedback

* [SR] Refactor proposal (elastic#33690)

* Move app dependencies to its own context provider

* Add index.ts barrel file for common types

* Move Enums to constants.ts file

* Refactor function component using `React.FunctionComponent<Props>`

* Refactor service folder structure

* Fix type import

* Move REPOSITORY_DOC_PATHS from common to public constants

* Move AppCore and AppPlugins interfaces back to shim and re-export them from app types

* [SR] Create and edit repositories UI (elastic#34020)

* Add routing and placeholder form

* Fix typings

* Set up edit repository route, and basic form UI

* Add typings for wrapCustomError, and copy extractCausedByChain from CCR wrapEsError

* Throw errors that are already boomified

* Create and edit for basic repository types (fs, url, source)

* Add repository verification UI to table and details

* Create and edit for plugin repository types (hdfs, azure, s3, gcs)

* Fix linting

* Fix test

* Fix test

* Remove unused import

* Fix duplicate i18n key

* Fix details opening on cancel edit, remove unnecessary Fragments, definition file for some EUI components to x-pack, rename saveError

* Remove breaks

* Adjust add and edit repo routes so they don't conflict with list route

* Add repo plugin and types doc links to form

* Bootstrap documentation service

* Bootstrap text service and replace RepositoryTypeName component with it

* Bootstrap breadcrumb service and replace usages

* Bootstrap httpService, remove chrome and http from app dependencies(!)

* Add request creator and replace all instances of useRequest and sendRequest with it

* Fix typo

* Simplify update repository and update repository setting methods

* Adjust copy

* Lint

* Remove unused var

* Remove unused import

* [SR] Add API for retrieving snapshots. (elastic#34598)

* [SR] Single and multiple repository delete (elastic#34593)

* Add single/multi repository delete API and UI

* Address PR feedback

* [SR] Add SnapshotTable and SnapshotDetails. (elastic#34837)

* Remove associations between multiple repositories with a single snapshot.
* Retrieve complete snapshot details in getAllHandler.
* Fix cleanup function bug in useRequest hook.
* Fix bug in useRequest which prevented old data from being cleared when subsequent requests returned errors.
* Add initialValue config option to useRequest.
* Add formatDate service to text module.

* [SR] Fix linting and add (de)serialization for repositories (elastic#35031)

* Fix eslint issues and add (de)serialization for repositories

* Add comment about flattening settings

* [SR] Surface repository errors and index failures more prominently (elastic#35042)

* Add links to repositories from Snapshot Table and Snapshot Details.
- Rename services/breadcrumbs to services/navigation and add linkToRepository function.
- Refactor home component to update active tab when URL was changed.
* Add warning callout to let user know when their repositories contain errors.
* Sort failures by shard and add test for snapshot serialization.
* Sort failures and indices.
* Add filter for filtering snapshots by their repository.
* Surface states with humanized text, icons, and tooltips where necessary.
* Fix pluralization of seconds.
* Surface failures tab even if there are none.
- Display a '-' for missing times and durations.
- Create DataPlaceholder component.

* [SR] Polish repositories UX (elastic#35123)

* Refactor repository detail panel to load repository based directly on route param.
* Display repository detail panel while table is loading.
* Make 'Edit repository' table action a link instead of a button.
* Render disabled EuiSelect as a readonly EuiFieldText.
* Prepend HDFS URI with hdfs:// protocol.
* Present scheme options for Read-Only URL repository as a select.

* [SR] Add client-side validation to repository form and link to snapshots from details (elastic#35238)

* Add client side repository form validation, extract `flatten` into common lib

* Add snapshot count to repository details and link to snapshot list

* Reset validation when changing repository type

* Fix snapshot list filter deep linking for repository names with slashes and spaces

* Fix imports

* PR feedback

* [SR] Design and copywriting fixes (elastic#35591)

* Split repository form into two steps; move `clean_settings.ts` to server

* Default to snapshots tab, adjust snapshot empty prompt, add app description

* Add minimum timeout to list view requests to avoid flicker, use EuiEmptyPrompt for loading screen, add doc link to settings step

* Add information about snapshots to delete repository behavior, add doc link for source only toggle, add size notation help text

* Add main doc link

* Copywriting and i18n fixes, and add some common settings to third party repo types

* Add fields to third party repo detail panel

* More copywriting fixes

* Use spinner for duration and end time if snapshotting is still in progress

* Show all repository type options, mark missing plugins

* Revert "Show all repository type options, mark missing plugins"

This reverts commit e34ee47.

* Fix space

* [SR] Add permissions UI and Cloud-specific repository type UI branch (elastic#35833)

* Add missing permissions UI and cloud-specific repository type UI branch

* Add ES UI as owners of /snapshot_restore directory

* Add no repository types callout for Cloud edge case

* Redirect invalid section param to repositories

* Add warning empty prompt if all repositories have errrors

* Replace repository cards with EuiCard

* Add snapshot doc link to repository error empty prompt

* Remove auto-verification from list and get routes, add separate verification route, add manual verification to repository detail panel

* Update copy and remove obsolete test

* Remove unused scss files

* Final changes to repository cards