Mark specs as implemented

The iops weigher has been implemented
(https://blueprints.launchpad.net/nova/+spec/io-ops-weight).

Change-Id: Ie75afd735a2182439a8e1c35533f2a5a3e5c99dd

doc/source/specs/kilo/implemented

@@ -0,0 +1 @@
+../../../../specs/kilo/implemented/

doc/source/specs/kilo/index.rst

@@ -9,6 +9,14 @@ Template:
 
    Specification Template (Kilo) <template>
 
+Juno implemented specs:
+
+.. toctree::
+   :glob:
+   :maxdepth: 1
+
+   implemented/*
+
 Kilo approved (but not implemented) specs:
 
 .. toctree::

doc/source/specs/kilo/redirects

@@ -0,0 +1 @@
+../../../../specs/kilo/redirects

specs/kilo/redirects

@@ -0,0 +1 @@
+approved/io-ops-weight.rst ../implemented/io-ops-weight.rst