chore: format fixes

chore: fixed SaltString conversion

chore: added git hook to ensure formatting

chore: more update

chore: comment postgre docker initialization.

chore: updated rust.toml

chore: commit formatting

chore: formatted the codebase

chore: final modification to script

chore: refactored test job

chore: refactored script

chore: updated deployment script to stop postgre if already running

chore: updated CI

chore: fixed errors

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Doc: Wrote README for the project

chore: Tweaked CI

chore: took care of cargo format

chore: refactored code for formatting CI

Feat: Implemented a functional email client.

chore: refactoring code for user workflow observability

chore: Tweaked send_newsletters endpoint for idempotency

chore: Started working on idempotency

Feat: removed Basic authentication from newsletter endpoint and repla…

chore: refactoring authentication

chore: implemented change_password flow successfully

chore: tidying up the codebase

chore: Added change_admin_passowrd page and logic

chore: set up session cookies

Feat: implemented redis for cookies lifespan