--- a/src/source/appextend.rst	Fri May 25 09:06:35 2018 +0200
+++ b/src/source/appextend.rst	Fri May 25 14:28:29 2018 +0200
@@ -8,4 +8,9 @@
     :maxdepth: 1
 
     howto-adapter
+    howto-skin
+    howto-template
+    howto-renderer
     howto-portlet
+    howto-paragraph
+    howto-content

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/source/howto-content.rst	Fri May 25 14:28:29 2018 +0200
@@ -0,0 +1,5 @@
+.. _contenthowto:
+
+
+How to create a new content type?
+=================================

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/source/howto-paragraph.rst	Fri May 25 14:28:29 2018 +0200
@@ -0,0 +1,5 @@
+.. _paragraphhowto:
+
+
+How to create a new paragraph type?
+===================================

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/source/howto-renderer.rst	Fri May 25 14:28:29 2018 +0200
@@ -0,0 +1,5 @@
+.. _rendererhowto:
+
+
+How to create a new renderer?
+=============================

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/source/howto-skin.rst	Fri May 25 14:28:29 2018 +0200
@@ -0,0 +1,5 @@
+.. _skinhowto:
+
+
+How to create a new skin?
+=========================

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/source/howto-template.rst	Fri May 25 14:28:29 2018 +0200
@@ -0,0 +1,5 @@
+.. _templatehowto:
+
+
+How to create a new template?
+=============================