feat(iter/cartesian-square): add docs/repl.txt

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Author: fikri-ajiwijaya

lib/node_modules/@stdlib/iter/cartesian-square/docs/repl.txt

@@ -0,0 +1,36 @@
+
+{{alias}}( iterator )
+    Returns an iterator of the Cartesian square.
+
+    If an environment supports Symbol.iterator and a provided iterator is
+    iterable, the returned iterator is iterable.
+
+    Parameters
+    ----------
+    iterator: Collection
+        Input collection.
+
+    Returns
+    -------
+    iterator: Object
+        Iterator.
+
+    iterator.next(): Function
+        Returns an iterator protocol-compliant object containing the next
+        iterated value (if one exists) and a boolean flag indicating whether the
+        iterator is finished.
+
+    iterator.return( [value] ): Function
+        Finishes an iterator and returns a provided value.
+
+    Examples
+    --------
+    > var it = {{alias}}( [ 1, 2 ] );
+    > var v = it.next().value
+    [ 1, 1 ]
+    > v = it.next().value
+    [ 1, 2 ]
+
+    See Also
+    --------
+