refactor(Cypress): Moved Cypress to the main folder of the project, as I don't need a sub project for now.

node_modules/rxjs/internal/util/UnsubscriptionError.d.ts

@@ -0,0 +1,11 @@
+export interface UnsubscriptionError extends Error {
+    readonly errors: any[];
+}
+export interface UnsubscriptionErrorCtor {
+    new (errors: any[]): UnsubscriptionError;
+}
+/**
+ * An error thrown when one or more errors have occurred during the
+ * `unsubscribe` of a {@link Subscription}.
+ */
+export declare const UnsubscriptionError: UnsubscriptionErrorCtor;