[Sub Component] Flexible Demo Runner

[TanmoySG]

User should be able to use sample user data of their choice using a YAML/JSON based input that can be "applied" onto the test script.

[Parent Component]

• [x] #52

[Checkpoints]

• [x] Add Flexibility in Assigning Sample User Data
• [x] Use YAML/JSON Applicable Methods for sample user Data - User should be able to use sample user id of their choice.

[Example]

Something like this

{ "email" : "xy@z.com" , "password" : "123" , "name" : "XY" }  //sample.json

make apply-user sample.json
make run-demo