dev-manual: Added Links for specific container use

At the end of the section that describes how to set up the
development machine for CROPS, I added some user links for more
information based on the type of container the use is interested
in.

(From yocto-docs rev: 6888d8454839bbb2ecdf96ce421c7d8723931d65)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/dev-manual/dev-manual-start.xml

@@ -190,6 +190,16 @@
             </orderedlist>
             Once you have a container set up, everything is in place to
             develop just as if you were running on a native Linux machine.
+            If you are going to use the Poky container, see the
+            "<link linkend='cloning-the-poky-repository'>Cloning the <filename>poky</filename> Repository</link>"
+            section.
+            If you are going to use the Extensible SDK container, see the
+            "<ulink url='&YOCTO_DOCS_SDK_URL;#sdk-extensible'>Using the Extensible SDK</ulink>"
+            Chapter in the Yocto Project Software Development Kit (SDK)
+            Developer's Guide.
+            If you are going to use the Toaster container, see the
+            "<ulink url='&YOCTO_DOCS_TOAST_URL;#toaster-manual-setup-and-use'>Setting Up and Using Toaster</ulink>"
+            section in the Toaster User Manual.
         </para>
     </section>