Find and replace text feature

[OMNITHORN]

Describe your suggested feature

In some machine translating websites there's something called a glossary, in which users put the word or synonyms of words, in order to improve the quality of the translation.

Other details

No response

Acknowledgements

• [x] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open or closed issue.
• [x] I have written a short but informative title.
• [x] If this is an issue with a source, I should be opening an issue in the sources repository.
• [x] I have updated the app to version 2.0.0.
• [x] I will fill out all of the requested information in this form.

[CD-Z]

I'm already working on something like this. Currently you can achieve a similar feature with customJS

[valke25]

how do you do customJS, I tried some things but my dumb ass cannot make it work even with tutorials