Add fix-language extension

[hiiamtin]

Description

Fix Language is a Raycast extension that helps you seamlessly switch the language input source of your text when you type and forget to change the language. It supports quick switching for both selected text and clipboard content, making it a useful tool for users who work in multiple languages, such as English and Thai.

Screencast

Checklist

• [x] I read the extension guidelines
• [x] I read the documentation about publishing
• [x] I ran npm run build and tested this distribution build in Raycast
• [x] I checked that files in the assets folder are used by the extension itself
• [x] I checked that assets used by the README are placed outside of the metadata folder