Common Logger Initialisation Improvements

[kashyap-thacker]

Jira:

SEN-6542

Description:

Common Logger:

• Allow initialising with custom handler to flexibility to add file handlers and formatters for local logging.
• Utils to create handlers and formatters

Misc:

• Added Git Pull Request template

Type of change:

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Checklist (put x in bracket to check):

Please do not delete options here.

• I have performed a self-review of my code
• Existing unit tests pass locally with my changes
• I have written coverage for new code
• I have updated the Production deployment sheet if this service required production changes in this sprint

[vikas010]

LGTM..