Added lib-secret-manager which consumes secrets after application launch

requirements.txt

@@ -9,6 +9,7 @@ click==8.3.0
 fastapi==0.119.0
 h11==0.16.0
 idna==3.11
+lib-secret-manager @ git+https://git.gansejunge.com/notifier/lib-secret-manager.git@main
 lib-uvicorn-config @ git+https://git.gansejunge.com/notifier/lib-uvicorn-config.git@main
 multidict==6.7.0
 mysql-connector-python==9.4.0