[next] Admin auth + design (#2056)

* feat: extract jwt information

* feat: login status dependent auto redirect

* feat: Sign Out button

* feat: add a 404 page

* feat: improve loading state and use auth token info

* feat: redirect to previous destination

* feat: implement new design

* fix: change asset to story

* feat: add translations

* feat: more compact design

* test: add unit tests

* chore: refactor NavigationLink

* test: add integration tests

* chore: refactor replaceHistoryLocation

* fix: typo

* fix: property name typo

src/core/client/admin/mutations/SignInMutation.ts

@@ -0,0 +1,19 @@
+import { Environment } from "relay-runtime";
+
+import { TalkContext } from "talk-framework/lib/bootstrap";
+import { createMutationContainer } from "talk-framework/lib/relay";
+import { commit as setAuthToken } from "talk-framework/mutations/SetAuthTokenMutation";
+import { signIn, SignInInput } from "talk-framework/rest";
+
+export type SignInMutation = (input: SignInInput) => Promise<void>;
+
+export async function commit(
+  environment: Environment,
+  input: SignInInput,
+  context: TalkContext
+) {
+  const result = await signIn(context.rest, input);
+  setAuthToken(environment, { authToken: result.token }, context);
+}
+
+export const withSignInMutation = createMutationContainer("signIn", commit);