Update CODEOWNERS (#682)

Co-authored-by: LocalStack Bot <localstack-bot@users.noreply.github.com>

Author: localstack-bot

CODEOWNERS

@@ -78,6 +78,9 @@
 # dms
 /src/content/docs/aws/services/dms.mdx @bentsku @cloutierMat @steffyP @quetzalliwrites @HarshCasper
 
+# docdb
+/src/content/docs/aws/services/docdb.mdx @nik-localstack @quetzalliwrites @HarshCasper
+
 # dynamodb
 /src/content/docs/aws/services/dynamodb.mdx @giograno @quetzalliwrites @HarshCasper
 
@@ -88,7 +91,7 @@
 /src/content/docs/aws/services/ecr.mdx @dfangl @quetzalliwrites @HarshCasper
 
 # ecs
-/src/content/docs/aws/services/ecs.mdx @pinzon @nik-localstack @quetzalliwrites @HarshCasper
+/src/content/docs/aws/services/ecs.mdx @nik-localstack @pinzon @quetzalliwrites @HarshCasper
 
 # efs
 /src/content/docs/aws/services/efs.mdx @pinzon @quetzalliwrites @HarshCasper