Add connecting text and link Plasma apps to Phosh

Apps/Kde.rst

@@ -18,4 +18,7 @@ use of these tools and technologies in more detail.
    KDE/Qt_Creator
    KDE/Kirigami
 
+Applications developed using these technologies can also be deployed in the
+:ref:`phosh` environment.
+
 .. include:: /links.txt

Apps/index.rst

@@ -27,6 +27,15 @@ features of the phone and its software environment.
    Tutorials/index
    Examples/index
    Guides/index
+
+When it is time to distribute your application, you will need to package it in
+a suitable form for publication. These documents cover the methods for
+packaging and publishing applications for distribution via channels made
+available by Purism.
+
+.. toctree::
+   :maxdepth: 1
+
    Packaging_Apps/index
    PublishingApps