Implemented content upload app with tests and pre-commit hooks

docker-entrypoint.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [[ $# -eq 0 ]]; then
+  exec bash
+fi
+
+if [[ "$1" == "upload" ]]; then
+  shift
+  exec python -m content_automation.main "$@"
+fi
+
+if [[ "$1" == -* ]]; then
+  exec python -m content_automation.main "$@"
+fi
+
+exec "$@"