Aryan Raj

Also add a notification module that checks for birthday everyday and posts on slack. Use [slack-attachment](https://github.com/slackhq/hubot-slack/blob/v2/docs/attachements.md) for this.

Why so many gobal variables?

@animator For this to work we will need to update the expectation for codegen request models which are explicitly set to override [here](https://github.com/foss42/apidash/blob/1a40b3249e97ebb6f4887030cedb71c777e570c6/test/request_models.dart#L22-L31). ```dart /// GET request model with override...