MINOR: Add docs for StreamJoined changes
Add docs for
Reviewers: Jim Galasyn Matthias J. Sax
More details about the new config <code>StreamsConfig#TOPOLOGY_OPTIMIZATION</code> can be found in <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-295%3A+Add+Streams+Configuration+Allowing+for+Optional+Topology+Optimization">KIP-295</a>.
</p>
+ <h3><a id="streams_api_changes_280" href="#streams_api_changes_280">Streams API changes in 2.8.0</a></h3>
+ <p>
+ We extended <code>StreamJoined</code> to include the options <code>withLoggingEnabled()</code> and <code>withLoggingDisabled()</code> in
+ <a href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-689%3A+Extend+%60StreamJoined%60+to+allow+more+store+configs">KIP-689</a>.
+ </p>
+
<h3><a id="streams_api_changes_270" href="#streams_api_changes_270">Streams API changes in 2.7.0</a></h3>
<p>
In <code>KeyQueryMetadata</code> we deprecated <code>getActiveHost()</code>, <code>getStandbyHosts()</code> as well as <code>getPartition()</code>
