Link device account management with OIDC (#2390)

* load auth metadata configs on startup

* deep-link cross-signing reset button with oidc

* deep-link manage devices and delete device with oidc

* fix import typo

src/app/hooks/useAuthMetadata.ts

@@ -0,0 +1,12 @@
+import { ValidatedAuthMetadata } from 'matrix-js-sdk';
+import { createContext, useContext } from 'react';
+
+const AuthMetadataContext = createContext<ValidatedAuthMetadata | undefined>(undefined);
+
+export const AuthMetadataProvider = AuthMetadataContext.Provider;
+
+export const useAuthMetadata = (): ValidatedAuthMetadata | undefined => {
+  const metadata = useContext(AuthMetadataContext);
+
+  return metadata;
+};