add support for kingbase

Author: zbw1231

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/jdbc/DatabaseDriver.java

@@ -83,6 +83,11 @@ public enum DatabaseDriver {
 	 */
 	POSTGRESQL("PostgreSQL", "org.postgresql.Driver", "org.postgresql.xa.PGXADataSource", "SELECT 1"),
 
+	/**
+	 * Kingbase.
+	 */
+	KINGBASE("KingbaseES","com.kingbase8.Driver","com.kingbase8.xa.KBXADataSource","SELECT 1"),
+
 	/**
 	 * Amazon Redshift.
 	 * @since 2.2.0