Spellcheck

[dweremeichik]

When editing a page, misspelled words should be highlighted offering corrections as is the default behaviour for a browser.

To Reproduce
Steps to reproduce the behavior:

1. Create or edit an existing page
2. Misspell a word

Expected behavior
The misspelled word should be highlighted, and offer suggestions for the correct spelling.

Host Info:

• OS: [Docker]
• Wiki.js version: [2.0.0-beta.275]
• Database engine: [postgres 9.6.15]

Client Info:

• OS: [Debian Stable]
• Browser: [Firefox ESR]

[Codelica]

It looks like Codemirror is used in the Wiki? If so, this may work, although it hasn't been updated in a while. https://github.com/sparksuite/codemirror-spell-checker