refactor(data): move dto and schemas out of services directory

src/app/_components/core/index.ts

@@ -0,0 +1,9 @@
+/**
+ * @file Automatically generated by barrelsby.
+ */
+
+export * from "./auth-back-button";
+export * from "./dialog";
+export * from "./loading-indicator";
+export * from "./mobile-shell";
+export * from "./settings-section";