Update Persistence Docs (#319)

Co-authored-by: LocalStack Bot <[email protected]>

Author: HarshCasper

src/content/docs/aws/services/iot-data.mdx

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

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

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

src/data/persistence/coverage.json

@@ -408,16 +408,16 @@
   "iot": {
     "service": "iot",
     "full_name": "IoT (Internet of Things)",
-    "support": "unknown",
+    "support": "supported with limitations",
     "test_suite": false,
-    "limitations": ""
+    "limitations": "MQTT broker state is not persisted"
   },
   "iot-data": {
     "service": "iot-data",
     "full_name": "IoT Data",
-    "support": "unknown",
+    "support": "supported with limitations",
     "test_suite": false,
-    "limitations": ""
+    "limitations": "See IoT limitation"
   },
   "iotanalytics": {
     "service": "iotanalytics",