Feature/s3 integration (#2)

* feat: add s3 storage for media

* refactor: update letter decryption test to look for key request properties

* fix: update db url to be ipv4 for ssl context match

* ci: output backend logs to the console

* ci: unset email host creds for local testing

---------

Co-authored-by: ramvignesh-b <ramvignesh-b@github.com>

.github/workflows/ci.yml

@@ -145,3 +145,7 @@ jobs:
           name: playwright-report
           path: frontend/playwright-report/
           retention-days: 10
+
+      - name: Print Backend Logs on Failure
+        if: failure()
+        run: cat tmp/logs/backend.log || true