Updated example to show usage of options group (fixed #63)

README.md

@@ -78,7 +78,18 @@ module "db" {
   options = [
     {
       option_name = "MARIADB_AUDIT_PLUGIN"
-    }
+
+      option_settings = [
+        {
+          name  = "SERVER_AUDIT_EVENTS"
+          value = "CONNECT"
+        },
+        {
+          name  = "SERVER_AUDIT_FILE_ROTATIONS"
+          value = "37"
+        },
+      ]
+    },
   ]
 }
 ```

examples/complete-mysql/main.tf

@@ -63,4 +63,21 @@ module "db" {
 
   # Snapshot name upon DB deletion
   final_snapshot_identifier = "demodb"
+
+  options = [
+    {
+      option_name = "MARIADB_AUDIT_PLUGIN"
+
+      option_settings = [
+        {
+          name  = "SERVER_AUDIT_EVENTS"
+          value = "CONNECT"
+        },
+        {
+          name  = "SERVER_AUDIT_FILE_ROTATIONS"
+          value = "37"
+        },
+      ]
+    },
+  ]
 }