doc: add @addaleax to the CTC

Voted on and approved at CTC meeting
#7948
(2016-08-03).

PR-URL: #7966
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>

README.md

@@ -154,6 +154,7 @@ information about the governance of the Node.js project, see
 
 ### CTC (Core Technical Committee)
 
+* [addaleax](https://github.com/addaleax) - **Anna Henningsen** <anna@addaleax.net>
 * [bnoordhuis](https://github.com/bnoordhuis) - **Ben Noordhuis** <info@bnoordhuis.nl>
 * [ChALkeR](https://github.com/ChALkeR) - **Сковорода Никита Андреевич** <chalkerx@gmail.com>
 * [chrisdickinson](https://github.com/chrisdickinson) - **Chris Dickinson** <christopher.s.dickinson@gmail.com>
@@ -175,7 +176,6 @@ information about the governance of the Node.js project, see
 
 ### Collaborators
 
-* [addaleax](https://github.com/addaleax) - **Anna Henningsen** <anna@addaleax.net>
 * [andrasq](https://github.com/andrasq) - **Andras** <andras@kinvey.com>
 * [AndreasMadsen](https://github.com/AndreasMadsen) - **Andreas Madsen** <amwebdk@gmail.com>
 * [bengl](https://github.com/bengl) - **Bryan English** <bryan@bryanenglish.com>