feat(date_time): add created_at and modified_at to merchant related tables

[NishantJoshi00]

…tables

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates

Description

This PR adds timestamps to the following tables

• Customer: modified_at
• MerchantAccount: created_at & modified_at
• MerchantConnectorAccount: created_at & modified_at

Additional Changes

• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Migrations to be run

ALTER TABLE merchant_account
ADD COLUMN IF NOT EXISTS created_at TIMESTAMP NOT NULL DEFAULT now(),
ADD COLUMN IF NOT EXISTS modified_at TIMESTAMP NOT NULL DEFAULT now();

ALTER TABLE merchant_connector_account
ADD COLUMN IF NOT EXISTS created_at TIMESTAMP NOT NULL DEFAULT now(),
ADD COLUMN IF NOT EXISTS modified_at TIMESTAMP NOT NULL DEFAULT now();


ALTER TABLE customers
ADD COLUMN IF NOT EXISTS modified_at TIMESTAMP NOT NULL DEFAULT now();

Motivation and Context

Required for PII encryption and as sanity

How did you test it?

compiler guided

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed submitted code
• I added unit tests for my changes where possible
• I added a CHANGELOG entry if applicable