minor #8767 Add Tobias Nyholm in the core team (fabpot, javiereguiluz)

This PR was submitted for the master branch but it was merged into the 2.7 branch instead (closes #8767).

Discussion
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Add Tobias Nyholm in the core team

See http://symfony.com/blog/new-core-team-member-in-charge-of-the-recipes for the announcement.

Commits
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6333b77 Typo
148ddbc added Tobias Nyholm in the core team

Author: xabbuh

contributing/code/core_team.rst

@@ -83,6 +83,9 @@ Active Core Members
   * **Maxime Steinhausser** (`ogizanagi`_) can merge into Config_, Console_,
     Form_, Serializer_, DependencyInjection_, and HttpKernel_ components.
 
+  * **Tobias Nyholm** (`Nyholm`) manages the official and contrib recipes
+    repositories.
+
 * **Deciders** (``@symfony/deciders`` on GitHub):
 
   * **Jordi Boggiano** (`seldaek`_);
@@ -223,4 +226,4 @@ discretion of the **Project Leader**.
 .. _`lyrixx`: https://github.com/lyrixx/
 .. _`chalasr`: https://github.com/chalasr/
 .. _`ogizanagi`: https://github.com/ogizanagi/
-.. _`csarrazi`: https://github.com/csarrazi/
+.. _`Nyholm`: https://github.com/Nyholm