Add integrations page (#9155)

* update useSettings

* Integration page skeleton

* add descriptions

* update design

* Integration page style update

* clean up

* update integration card

Co-authored-by: Tom Moor <tom.moor@gmail.com>

* Update integration icon size

Co-authored-by: Tom Moor <tom.moor@gmail.com>

* Update all integrations menu item

* update IntegrationCard to use the `Text` component

* update card status

* fix: Google analytics never shows as installed
fix: Styling tweaks
Move webhooks out of integrations

* Add breadcrumbs

* Add filtering

* refactor

* Add hover state, tweak descriptions

---------

Co-authored-by: Tess99854 <tesnimesb@gmail.com>
Co-authored-by: Mahmoud Mohammed Ali <ibn.el4ai5@gmail.com>
Co-authored-by: Mahmoud Ali <mahmoud.ali.khallaf@gmail.com>

plugins/linear/client/index.tsx

@@ -10,6 +10,8 @@ PluginManager.add([
     value: {
       group: "Integrations",
       icon: Icon,
+      description:
+        "Connect your Linear account to Outline to enable rich, realtime, issue previews inside documents.",
       component: createLazyComponent(() => import("./Settings")),
     },
   },