feat: Full rework of account management

Complete rewrite of the account management and related systems.
Makes the architecture more modular,
allowing for easier extensions and configurations.

test/unit/identity/interaction/OidcControlHandler.test.ts

@@ -0,0 +1,17 @@
+import { OidcControlHandler } from '../../../../src/identity/interaction/OidcControlHandler';
+
+describe('An OidcControlHandler', (): void => {
+  const handler = new OidcControlHandler({ key: {
+    getPath: jest.fn().mockReturnValue('http://example.com/foo/'),
+    matchPath: jest.fn().mockReturnValue(true),
+  }});
+
+  it('returns results if there is an OIDC interaction.', async(): Promise<void> => {
+    await expect(handler.handle({ oidcInteraction: {}} as any))
+      .resolves.toEqual({ json: { key: 'http://example.com/foo/' }});
+  });
+
+  it('returns an empty object if there is no OIDC interaction.', async(): Promise<void> => {
+    await expect(handler.handle({ } as any)).resolves.toEqual({ json: { }});
+  });
+});