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/EmptyError.d.ts

@@ -0,0 +1,16 @@
+export interface EmptyError extends Error {
+}
+export interface EmptyErrorCtor {
+    new (): EmptyError;
+}
+/**
+ * An error thrown when an Observable or a sequence was queried but has no
+ * elements.
+ *
+ * @see {@link first}
+ * @see {@link last}
+ * @see {@link single}
+ *
+ * @class EmptyError
+ */
+export declare const EmptyError: EmptyErrorCtor;