More examples/ use-cases

[eshaan7]

This extension is quite configurable and different users may choose to use it differently. For this, we should add more examples under examples/. These can be something new or ones already listed in the README.md.

Few ideas:

• [ ] An example showing encryption/decryption of the response using decorators.
• [ ] An example showing how flask-shell2http can be used for post-exploitation scenarios during a pentest (or as a backdoor). So perhaps an example integration with the https://github.com/operatorequals/covertutils or https://github.com/operatorequals/httpimport/issues/1).

[breeze88]

• [ ] How to programmatically close an application