[gnome-dictionary] Add Git attributes file

[Emmanuele Bassi <ebassi src gnome org>]

commit 371ff2b5ed315b779c025d9fac31f51bd17134b4
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Apr 12 00:00:21 2017 +0100

    Add Git attributes file
    
    We don't want all Git tracked files to end up in the release tarball.

 .gitattributes |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..333859e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,4 @@
+/.gitattributes                 export-ignore
+/.gitignore                     export-ignore
+/gnome-dictionary.doap          export-ignore
+/build-aux/make_release.sh      export-ignore