Merge pull request #197 from memgraph/fix-readme-examples

[master < fix-readme-examples] Fix the order of code samples

README.md

@@ -120,21 +120,23 @@ You can create and start Kafka or Pulsar stream using GQLAlchemy.
 
 **Kafka stream** 
 ```python
-from gqlalchemy import MemgraphPulsarStream
+from gqlalchemy import MemgraphKafkaStream
 
-stream = MemgraphPulsarStream(name="ratings_stream", topics=["ratings"], transform="movielens.rating", service_url="localhost:6650")
+stream = MemgraphKafkaStream(name="ratings_stream", topics=["ratings"], transform="movielens.rating", bootstrap_servers="localhost:9093")
 db.create_stream(stream)
 db.start_stream(stream)
 ```
 
+
 **Pulsar stream**
 ```python
-from gqlalchemy import MemgraphKafkaStream
+from gqlalchemy import MemgraphPulsarStream
 
-stream = MemgraphKafkaStream(name="ratings_stream", topics=["ratings"], transform="movielens.rating", bootstrap_servers="localhost:9093")
+stream = MemgraphPulsarStream(name="ratings_stream", topics=["ratings"], transform="movielens.rating", service_url="localhost:6650")
 db.create_stream(stream)
 db.start_stream(stream)
 ```
+
 </details>
 
 <details>