Adds: Better code highlighting; A button to copy topic links
This extention improves google chat by:
- Adding a copy link button on the menu, easily copy a topic's direct link
- Save messages for every chat
- Highlighting code: You can use this format to write code:
```js
myCode
```
After ``` you can write the language alias you want to enforce. You can find the full list of supported languages here: https://github.com/highlightjs/highlight.js/blob/main/SUPPORTED_LANGUAGES.md#supported-languages