Fix typo in documentation (#1722)

In  set-up-codestral.md
"Trobleshooting" -> "Troubleshooting"

Author: huy-trn

docs/docs/walkthroughs/set-up-codestral.md

@@ -39,7 +39,7 @@ keywords: [codestral, mistral, model setup]
 
 5. If you run into any issues or have any questions, please join our Discord and post in the `#help` channel [here](https://discord.gg/EfJEfdFnDQ)
 
-## Trobleshooting
+## Troubleshooting
 
 ### Temporary workaround for JetBrains
 
@@ -68,4 +68,4 @@ Mistral AI recently changed the API endpoint to `codestral.mistral.ai` instead o
 
 ### Ask for help on Discord
 
-Please join our Discord and post in the `#help` channel [here](https://discord.gg/EfJEfdFnDQ) if you are having problems using Codestral
+Please join our Discord and post in the `#help` channel [here](https://discord.gg/EfJEfdFnDQ) if you are having problems using Codestral