Add an example GQL query with record filters

README.md

@@ -594,3 +594,53 @@ $ laconic registry bond records reassociate --old-bond-id 5c40abd336ae1561f2a1b5
     }
   }
   ```
+
+* Query with filters, for example: query all `filecoin` `WatcherRecord`s:
+
+  ```gql
+  {
+    queryRecords (
+      attributes: [
+        {
+          key: "type",
+          value: {
+            string: "WatcherRecord"
+          }
+        },
+        {
+          key: "chain",
+          value: {
+            string: "filecoin"
+          }
+        }
+      ],
+      all: true
+    ) {
+      id
+      bondId
+      names
+      attributes {
+        key
+        value {
+          ... on BooleanValue { bool: value }
+          ... on IntValue { int: value }
+          ... on FloatValue { float: value }
+          ... on StringValue { string: value }
+          ... on BytesValue { bytes: value }
+          ... on LinkValue { link: value }
+          ... on ArrayValue {
+            array: value {
+              ... on BooleanValue { bool: value }
+              ... on IntValue { int: value }
+              ... on FloatValue { float: value }
+              ... on StringValue { string: value }
+              ... on BytesValue { bytes: value }
+              ... on LinkValue { link: value }
+            }
+          }
+          ... on MapValue { map: value { key mapping: value {  __typename } } }
+        }
+      }
+    }
+  }
+  ```