move bom to the top level pom

Author: fluentfuture

mug-spanner/pom.xml

@@ -39,17 +39,6 @@
       </plugins>
     </pluginManagement>
   </build>
-  <dependencyManagement>
-    <dependencies>
-      <dependency>
-        <groupId>com.google.cloud</groupId>
-        <artifactId>libraries-bom</artifactId>
-        <version>26.63.0</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-    </dependencies>
-  </dependencyManagement>
   <dependencies>
     <dependency>
       <groupId>com.google.cloud</groupId>
@@ -122,4 +111,4 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
-</project>
+</project>

pom.xml

@@ -66,6 +66,13 @@
 
   <dependencyManagement>
   <dependencies>
+    <dependency>
+      <groupId>com.google.cloud</groupId>
+      <artifactId>libraries-bom</artifactId>
+      <version>26.63.0</version>
+      <type>pom</type>
+      <scope>import</scope>
+    </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
@@ -267,7 +274,16 @@
                 <artifactId>google-cloud-bigquery</artifactId>
                 <version>2.34.2</version>
               </additionalDependency>
+              <additionalDependency>
+                <groupId>com.google.cloud</groupId>
+                <artifactId>google-cloud-spanner</artifactId>
+              </additionalDependency>
             </additionalDependencies>
+                    <links>
+                        <link>https://cloud.google.com/java/docs/reference/google-cloud-spanner/latest/overview</link>
+                        <link>https://cloud.google.com/java/docs/reference/gax/latest/overview</link>
+                        <link>https://cloud.google.com/java/docs/reference/google-cloud-core/latest/overview</link>
+                    </links>
           </configuration>
           <executions>
           <execution>