Ability to use common text editing shortcuts

[Lanhild]

See https://wsgrowi.slack.com/archives/C01U5NBHR5F/p1715642292449559

[yuki-takei]

Loan Joliveau wrote:

We should have the ability to use common text editing shortcuts in the editor, such as CTRL+B for bold text, CTRL+I for italic, etc.

[yuki-takei]

References

• https://discuss.codemirror.net/t/overriding-certain-default-keymaps/6181
• https://zenn.dev/team_zenn/articles/zenn-markdown-editor-by-cm6

Current customization

https://github.com/weseek/growi/blob/v7.0.4/packages/editor/src/components/CodeMirrorEditorMain.tsx#L49

[Lanhild]

I see that CTRL+S is already existing. What about CTRL+B, etc., for example? Would it be possible to add these shortcuts?