Add the worker strategy in the user manual
Add the `worker` strategy to the list of build strategy options, in the user manual.
Current docs:
Closes
@@ -820,6 +820,10 @@ The default is <code>armeabi-v7a</code>.
<code>local</code> causes commands to be executed as local subprocesses.
</li>
+ <li>
+ <code>worker</code> causes commands to be executed using a persistent worker, if available.
+ </li>
+
<li>
<code>docker</code> causes commands to be executed inside a docker sandbox on the local machine.
This requires that docker is installed.
