Fix documentation links in README.md (#527)

* Fix documentation links

* Remove travis links

* Update README.md

* Update CHANGELOG.md

---------

Co-authored-by: Jon Pascoe <jon.pascoe@me.com>

CHANGELOG.md

@@ -20,6 +20,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Include `exrules` when exporting a schedule to YAML, JSON or a Hash. ([#519](https://github.com/ice-cube-ruby/ice_cube/pull/519)) by [@pacso](https://github.com/pacso)
 - Documentation links updated to point to the new repository location. ([#553](https://github.com/ice-cube-ruby/ice_cube/pull/553)) by [@pacso](https://github.com/pacso)
 - Input validation added for day_of_week validator. Fixes infinite loops when invalid day_of_week occurrences are provided. ([#554](https://github.com/ice-cube-ruby/ice_cube/pull/554)) by [@pacso](https://github.com/pacso)
+- Documentation links in README.md updated to new repository location. ([#527](https://github.com/ice-cube-ruby/ice_cube/pull/527) by [@dalpo](https://github.com/dalpo))
 
 ## [0.16.4] - 2021-10-21
 ### Added

README.md

@@ -298,7 +298,7 @@ https://github.com/GetJobber/recurring_select
 
 ## Contributors
 
-https://github.com/seejohnrun/ice_cube/graphs/contributors
+https://github.com/ice-cube-ruby/ice_cube/graphs/contributors
 
 ---
 
@@ -316,10 +316,7 @@ Use the GitHub [issue tracker][ice_cube-issues]
 
 
 [ical-3.6.1]: https://tools.ietf.org/html/rfc5545#section-3.6.1
-[github-avit]: https://github.com/avit/
-[travis-ice_cube]: http://travis-ci.org/seejohnrun/ice_cube
-[travis-ice_cube-badge_image]: https://secure.travis-ci.org/seejohnrun/ice_cube.svg
-[ice_cube-lone_star_pdf]: http://seejohnrun.github.com/ice_cube/static/lsrc_ice_cube.pdf
-[ice_cube-ruby_nyc_pdf]: http://seejohnrun.github.com/ice_cube/static/ice_cube_ruby_nyc.pdf
-[ice_cube-docs]: http://seejohnrun.github.io/ice_cube/
-[ice_cube-issues]: https://github.com/seejohnrun/ice_cube/issues
+[ice_cube-lone_star_pdf]: https://ice-cube-ruby.github.io/ice_cube/static/lsrc_ice_cube.pdf
+[ice_cube-ruby_nyc_pdf]: https://ice-cube-ruby.github.io/ice_cube/static/ice_cube_ruby_nyc.pdf
+[ice_cube-docs]: https://ice-cube-ruby.github.io/ice_cube/
+[ice_cube-issues]: https://github.com/ice-cube-ruby/ice_cube/issues