Add Couchbase Transactions Example.

Closes #650.
Original pull request: #663

couchbase/transactions/src/test/java/com/example/demo/DemoApplicationTests.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2022 the original author or authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *        https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.example.demo;
+
+import example.springdata.couchbase.util.EnabledIfCouchbaseAvailable;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+/**
+ * @author Michael Reiche
+ * @author Christoph Strobl
+ */
+@EnabledIfCouchbaseAvailable
+@SpringBootTest
+class DemoApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+}