Add IQ doc

README.md

@@ -43,6 +43,7 @@ need to do:
     * [On Start](#on-start)
   * [Interactive Queries](#interactive-queries)
     * [Application Server Configuration](#application-server-configuration)
+    * [Querying State Stores with REST Endpoints](#querying-state-stores-with-rest-endpoints)
   * [Topology](#topology-2)
   * [Deduplication](#deduplication)
     * [By Key](#by-key)
@@ -68,6 +69,8 @@ business implementation rather than the setup.
 
 - **🤿 Interactive Queries**: Dive into Kafka Streams state stores.
 
+- **🫧 Deduplication**: Remove duplicate events from a stream.
+
 - **🧪 Testing**: Automatic Topology Test Driver setup. Start writing your tests with minimal effort.
 
 ## Dependencies
@@ -360,6 +363,18 @@ kafka:
 2. The value of a default environment variable named `APPLICATION_SERVER`.
 3. `localhost`.
 
+#### Querying State Stores with REST Endpoints
+
+Kstreamplify provides REST endpoints to query the state stores of your Kafka Streams application.
+It handles state stores being on different instances of the application by providing an [RPC layer](https://docs.confluent.io/platform/current/streams/developer-guide/interactive-queries.html#adding-an-rpc-layer-to-your-application).
+
+Here is an overview of the available endpoints:
+
+- GET `/store`: Returns the list of available state stores
+- GET `/store/{store}/info`: Returns the host information of the state store
+- GET `/store/{store}`: Returns all records of the state store
+- GET `/store/{store}/{key}`: Returns the record of the state store for the given key
+
 <h3 id="topology-2">Topology</h4>
 
 Kstreamplify provides a REST endpoint to retrieve the Kafka Streams topology as JSON.