DOC: Added error_bad_lines to the summary options

Added a link to the reference example later in the document

Author: davidjameshumphreys

doc/source/io.rst

@@ -108,6 +108,7 @@ See some :ref:`cookbook examples <cookbook.csv>` for some advanced strategies
     unicode data, e.g. ``'utf-8``` or ``'latin-1'``.
   - ``verbose``: show number of NA values inserted in non-numeric columns
   - ``squeeze``: if True then output with only one column is turned into Series
+  - ``error_bad_lines``: if False then any lines causing an error will be skipped :ref:`bad lines <io.bad_lines>`
 
 .. ipython:: python
    :suppress: