Added stub release notes for 1.10.6.

docs/releases/1.10.6.txt

@@ -0,0 +1,12 @@
+===========================
+Django 1.10.6 release notes
+===========================
+
+*Under development*
+
+Django 1.10.6 fixes several bugs in 1.10.5.
+
+Bugfixes
+========
+
+* ...

docs/releases/index.txt

@@ -33,6 +33,7 @@ versions of the documentation contain the release notes for any later releases.
 .. toctree::
    :maxdepth: 1
 
+   1.10.6
    1.10.5
    1.10.4
    1.10.3