explictly print hierarchy on startup of app via index file only to di…

…sable implict logging during test execution

sc-config.json

@@ -1,3 +1,4 @@
 {
-	"secretMatches": ["SECRET", "KEY", "SALT", "PASSWORD", "DSN", "REDIS_URI"]
+	"secretMatches": ["SECRET", "KEY", "SALT", "PASSWORD", "DSN", "REDIS_URI"],
+	"printHierarchy": false
 }

src/index.js

@@ -1,6 +1,9 @@
+const { Configuration } = require('@schul-cloud/commons');
 const app = require('./app');
 const logger = require('./logger');
 
+Configuration.printHierarchy();
+
 const port = app.get('port');
 const server = app.listen(port);