Update doc/README.md

[sdarwin]

No description provided.

[cppalliance-bot]

An automated preview of the documentation is available at https://801.url.prtest2.cppalliance.org/libs/url/doc/html/index.html

[cppalliance-bot]

GCOVR code coverage report https://801.url.prtest2.cppalliance.org/gcovr/index.html
LCOV code coverage report https://801.url.prtest2.cppalliance.org/genhtml/index.html
Coverage Diff https://801.url.prtest2.cppalliance.org/gcovr/coverage_diff.txt

[codecov]

Codecov Report

Merging #801 (6748797) into develop (8249695) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #801   +/-   ##
========================================
  Coverage    97.27%   97.27%           
========================================
  Files          156      156           
  Lines         8565     8565           
========================================
  Hits          8332     8332           
  Misses         233      233           

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[alandefreitas]

Nice :)