[TRI-800] Add prettier settings that are applied across the repo

Critical settings:

* Double quotes
* Semi colons on
* spaces not tabs

<sub>From [SyncLinear.com](https://synclinear.com) | [TRI-800](https://linear.app/triggerdotdev/issue/TRI-800/add-prettier-settings-that-are-applied-across-the-repo)</sub>