feat: custom http method support

[baek-sang]

I have checked the following:

• I've searched existing issues and found nothing related to my issue.

This feature

• Blocks me from using Bruno
• Would improve my quality of life in Bruno
• Is something I've never seen an API client do before

🚀 Describe the feature you want to add, and how it would change your usage of Bruno

https://blog.postman.com/custom-http-methods-more-flexibility-and-autonomy/
https://learning.postman.com/docs/use/send-requests/create-requests/request-basics

#8589

📷 Mockups or Images of the feature