♻ Move project source files to top level from src, update Sentry dependency (#630)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

backend/tests-start.sh

@@ -0,0 +1,6 @@
+#! /usr/bin/env bash
+set -e
+
+python /app/app/tests_pre_start.py
+
+bash ./scripts/test.sh "$@"