Fixed SAT findings for new SAT 0.11.1 release (#10518)

Signed-off-by: Christoph Weitkamp <github@christophweitkamp.de>

bundles/org.openhab.persistence.dynamodb/README.md

@@ -18,6 +18,7 @@ This service is provided "AS IS", and the user takes full responsibility of any
 {::options toc_levels="2..4"/}
 
 - TOC
+
 {:toc}
 
 ## Prerequisites
@@ -175,4 +176,4 @@ Eclipse instructions
 -DDYNAMODBTEST_REGION=REGION-ID
 -DDYNAMODBTEST_ACCESS=ACCESS-KEY
 -DDYNAMODBTEST_SECRET=SECRET
-````
+````