[gnome-documents] doap: Move previous maintainers to authors, add Chris Davis

[Christopher Davis <christopherdavis src gnome org>]

commit b3ebec96d814b80c17b78121f420ec96e9f28cfe
Author: Christopher Davis <brainblasted disroot org>
Date:   Thu Jan 17 13:23:17 2019 -0500

    doap: Move previous maintainers to authors, add Chris Davis
    
    The previous maintainers are currently inactive, and I have been given the go-ahead to assume 
maintainership of this module.

 gnome-documents.doap | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)
---
diff --git a/gnome-documents.doap b/gnome-documents.doap
index 0ebd6d6e..7c00ead8 100644
--- a/gnome-documents.doap
+++ b/gnome-documents.doap
@@ -20,17 +20,25 @@
   <programming-language>JavaScript</programming-language>
 
   <maintainer>
+    <foaf:Person>
+      <foaf:name>Christopher Davis</foaf:name>
+      <foaf:mbox rdf:resource="mailto:christopherdavis gnome org" />
+      <gnome:userid>christopherdavis</gnome:userid>
+    </foaf:Person>
+  </maintainer>
+
+  <author>
     <foaf:Person>
       <foaf:name>Alessandro Bono</foaf:name>
       <foaf:mbox rdf:resource="mailto:abono gnome org" />
       <gnome:userid>abono</gnome:userid>
     </foaf:Person>
-  </maintainer>
-  <maintainer>
+  </author>
+  <author>
     <foaf:Person>
       <foaf:name>Cosimo Cecchi</foaf:name>
       <foaf:mbox rdf:resource="mailto:cosimoc gnome org" />
       <gnome:userid>cosimoc</gnome:userid>
     </foaf:Person>
-  </maintainer>
+  </author>
 </Project>