Added playwright instructions

I added instructions in the README to install playwright dependencies and fixed a misspelling in the Contributing section.

README.md

@@ -33,15 +33,16 @@ These videos on TikTok, YouTube and Instagram get MILLIONS of views across all p
 1. Clone this repository
 2. Rename `.env.template` to `.env` and replace all values with the appropriate fields. To get Reddit keys (**required**), visit [the Reddit Apps page.](https://www.reddit.com/prefs/apps) TL;DR set up an app that is a "script". Copy your keys into the `.env` files.
 3. Run `pip3 install -r requirements.txt`
-4. Run `python3 main.py`
-5. ...
-6. Enjoy 😎
+4. Run `playwright install` and `playwright install-deps`.
+5. Run `python3 main.py`
+6. ...
+7. Enjoy 😎
 
 ## Contributing & Ways to improve 📈
 
 In its current state, this bot does exactly what it needs to do. However, lots of improvements can be made.
 
-I have tried to simplify the code so anyone can read it and start contibuting at any skill level. Don't be shy :) contribute!
+I have tried to simplify the code so anyone can read it and start contributing at any skill level. Don't be shy :) contribute!
 
 - [ ] Allowing users to choose a reddit thread instead of being randomized.
 - [ ] Allowing users to choose a background that is picked instead of the Minecraft one.