Update Persistence Docs (localstack#189)

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

Author: HarshCasper

src/content/docs/aws/services/batch.mdx

@@ -2,6 +2,7 @@
 title: Batch
 description: Get started with Batch on LocalStack
 tags: ["Ultimate"]
+persistence: supported
 ---
 
 import FeatureCoverage from "../../../../components/feature-coverage/FeatureCoverage";

src/content/docs/aws/services/lambda.mdx

@@ -726,4 +726,4 @@ You might encounter this error if it is set to `legacy`.
 
 ## API Coverage
 
-<FeatureCoverage service="lambda" client:load />
+<FeatureCoverage service="lambda" client:load />

src/data/persistence/coverage.json

@@ -100,7 +100,7 @@
  "batch": {
  "service": "batch",
  "full_name": "Batch",
- "support": "unknown",
+ "support": "supported",
  "test_suite": true,
  "limitations": ""
  },