Update README-TriangleUtilities.md

README-TriangleUtilities.md

     * `String getMultiplicationTable(int tableSize)`
     
 
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 ## `String getRow(int width)`
 * **Description**
     * In the class, `Triangles` Write a method that returns a `String` representation of a row of asterisks whose length is equal to the `width` specified.