Added changelog for partner SDK

CHANGELOG.md

@@ -0,0 +1,24 @@
+#### June 2024
+
+-----------
+**ConfigurationForm Changes**
+- We added options to provide default value and placeholder for the Field.
+- We Introduced  FieldSet  support, which allows to group the Fields and add visibility condition to control displaying on the form.
+- The FormField format is updated to support FieldSet. The single attribute should be used to assign the usual fields.
+
+**SourceConnector Changes**
+- We removed LogEntry from Update operation. Now, partners can use STD::OUT to send logs. For more details, please refer to this.
+- We renamed few enums and services:
+  - Renamed the service definition from Connector to SourceConnector.
+  - Renamed the OpType field to RecordType.
+- Added support for NAIVE_TIME datatype. Partners can now send data with this datatype.
+
+**DestinationConnector Changes**
+- Added NAIVE_TIME data type support.
+- We renamed the service definition from Destination to DestinationConnector.
+- A new rpc method Capabilities is introduced. This brings the functionalities:
+    - Adjust column type: Supports adjusting Partner data type for each Fivetran type
+    - Define the max value supported for the columns types.
+- Changes in AlterTableRequest:
+    - Takes table_name instead of Table
+    - Introduced SchemaDiff field, which supports adding new columns, change column type, and update primary keys.