Added private preview note, downgraded version (#37)

README.md

@@ -3,6 +3,8 @@
 [![License](http://img.shields.io/:license-Apache%202-brightgreen.svg)](http://www.apache.org/licenses/LICENSE-2.0.txt) 
 [![Github Actions status image](https://github.com/singlestore-labs/singlestore-debezium-connector/actions/workflows/maven.yml/badge.svg)](https://github.com/singlestore-labs/singlestore-debezium-connector/actions)
 
+**Note**: This connector is in private preview. It is intended for experimental use only and is not fully tested, documented, or supported by SingleStore.
+
 SingleStore connector for Debezium ("the connector") captures and records row-level changes that occur in the database. 
 You can configure the connector to read from a single table and to ignore, mask, or truncate values in specific columns.
 
@@ -159,7 +161,7 @@ The following example demonstrates the value of a change event that the connecto
          "a":33
       },
       "source":{
-         "version":"1.0.0",
+         "version":"0.1.1",
          "connector":"singlestore",
          "name":"singlestore",
          "ts_ms":1706197043473,
@@ -190,7 +192,7 @@ The following example shows an update change event that the connector captures f
          "a":22
       },
       "source":{
-         "version":"1.0.0",
+         "version":"0.1.1",
          "connector":"singlestore",
          "name":"singlestore",
          "ts_ms":1706197446500,
@@ -226,7 +228,7 @@ The following example shows a delete event for the table that is shown in the pr
       "before":null,
       "after":null,
       "source":{
-         "version":"1.0.0",
+         "version":"0.1.1",
          "connector":"singlestore",
          "name":"singlestore",
          "ts_ms":1706197665407,

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.singlestore</groupId>
     <artifactId>singlestore-debezium-connector</artifactId>
-    <version>1.0.0</version>
+    <version>0.1.1</version>
 
     <properties>
         <maven.compiler.source>11</maven.compiler.source>

src/test/java/com/singlestore/debezium/StreamingIT.java

@@ -158,7 +158,7 @@ public void populatesSourceInfo() throws SQLException, InterruptedException {
         SourceRecord record = records.get(0);
 
         Struct source = (Struct) ((Struct) record.value()).get("source");
-        assertEquals(source.get("version"), "1.0.0");
+        assertEquals(source.get("version"), "0.1.1");
         assertEquals(source.get("connector"), "singlestore");
         assertEquals(source.get("name"), "singlestore_topic");
         assertNotNull(source.get("ts_ms"));