P.S. Link in readme.md is added to my fork instead of the original repository because the original repository is not active...
I have created PR to https://github.com/EmanueleCiriachi/Sitecore-TinyMCERTE/pull/3 and asked the author to look at it personally, but it is still pending.
About TinyMCE: https://www.tiny.cloud/ Initial implementation of the module: https://emanueleciriachi.net/tinymce-sitecore-usage-configuration/ Improvements: https://exdst.com/posts/sitecore-tiny-mce-new-life
P.S. Link in readme.md is added to my fork instead of the original repository because the original repository is not active... I have created PR to https://github.com/EmanueleCiriachi/Sitecore-TinyMCERTE/pull/3 and asked the author to look at it personally, but it is still pending.