Add Example of SAP connection

Add an example of connecting to SAP such as:

<resource-adapter id="sapDS">
<module slot="main" id="org.jboss.teiid.resource-adapter.webservice"/>
<connection-definitions>
<connection-definition class-name="org.teiid.resource.adapter.ws.WSManagedConnectionFactory" jndi-name="java:/sapDS" enabled="true" use-java-context="true" pool-name="sapDS">
<config-property name="AuthUserName">
xxxxxxxxxxx
</config-property>
<config-property name="SecurityType">
HTTPBasic
</config-property>
<config-property name="RequestTimeout">
240000
</config-property>
<config-property name="EndPoint"> https://sapes1.sapdevcenter.com/sap/opu/odata/sap/ZCD204_EPM_DEMO_SRV/
</config-property>
<config-property name="AuthPassword">
xxxxxxxxxxx
</config-property>
</connection-definition>
</connection-definitions>
</resource-adapter>