* TP-47335| created teamservice version 2 for get teams api
* TP-47335| modified the getusers info function to handle nil error
* refactored the structure of team service and created interfaces
* TP-47335| created unit tests
* TP-47335| added unit tests for get teams api
* resolved PR comments
* created custom error types
* made some changes in unit tests
* added unit tests for team handler
* solved merge conflicts
* solved invalid users bug
* resolved merge conflicts
* restricting incident title length to 100 characters
* removed unecessary comments