docs-rst: create an user's manual book

Place README, REPORTING-BUGS, SecurityBugs and kernel-parameters
on an user's manual book.

As we'll be numbering the user's manual, remove the manual
numbering from SecurityBugs.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst
new file mode 100644
index 0000000..4e5abbb
--- /dev/null
+++ b/Documentation/admin-guide/index.rst
@@ -0,0 +1,34 @@
+Linux Kernel User's Documentation
+=================================
+
+Contents:
+
+.. toctree::
+   :maxdepth: 2
+   :numbered:
+
+   README
+   reporting-bugs
+   bug-hunting
+   oops-tracing
+   ramoops
+   initrd
+   init
+   dynamic-debug-howto
+   security-bugs
+   kernel-parameters
+   serial-console
+   braille-console
+   parport
+   md
+   module-signing
+   sysrq
+   unicode
+   vga-softcursor
+   sysfs-rules
+   devices
+   binfmt-misc
+   mono
+   java
+   bad-memory
+   basic-profiling