add Stock as a sample project

Author: jerrinot

kafka-questdb-connector-samples/readme.md

@@ -1,5 +1,8 @@
 # Samples Projects
 
-There is 1 sample projects.
+There are 2 sample projects:
 ## [Faker](faker)
-Simplistic project which uses a simple node.js application to create JSON entries in Apache Kafka and QuestDB Kafka Connect Sink to feed generated data from Kafka to QuestDB.
+Simplistic project which uses a simple node.js application to create JSON entries in Apache Kafka and QuestDB Kafka Connect Sink to feed generated data from Kafka to QuestDB.
+
+## [Stocks](stocks)
+This project uses Debezium to stream data from Postgres to Kafka and QuestDB Kafka Connect Sink to feed data from Kafka to QuestDB. It also uses Grafana to visualize the data.