[Documentation] Rename Example Branch in README

[kevinmatthes]

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[github-actions]

Filename                            Stmts    Miss  Cover    Missing
--------------------------------  -------  ------  -------  -----------------------------
src/traits/append_as_line.rs            9       0  100.00%
src/traits/colour_message.rs            8       0  100.00%
src/traits/convert_buffer.rs           21       0  100.00%
src/traits/prefer.rs                    3       0  100.00%
src/traits/to_ron.rs                    4       0  100.00%
src/traits/to_stderr.rs                 4       0  100.00%
src/application.rs                     29      29  0.00%    87-137
src/cffreference.rs                    68       0  100.00%
src/macros.rs                           4       0  100.00%
src/running.rs                          4       0  100.00%
src/version.rs                         26       0  100.00%
src/graphing/agd.rs                   156       0  100.00%
src/graphing/graph.rs                 146       0  100.00%
src/changelog/comment_changes.rs      163     163  0.00%    106-399
src/changelog/fragment.rs              11       0  100.00%
src/pattern/buffer.rs                  21       0  100.00%
src/pattern/io_processor.rs            19      19  0.00%    72-160
src/pattern/reader.rs                  31      20  35.48%   57-58, 75-79, 90-109, 123-139
src/pattern/writer.rs                  77      30  61.04%   133-152, 187-197, 231-259
TOTAL                                 804     261  67.54%