[fractal] meson: Ignore some files when creating release tarball

[Julian Sparber <jsparber src gnome org>]

commit 86040536389d4c4def8d96a00719c789510742e2
Author: Julian Sparber <julian sparber net>
Date:   Sun Sep 25 16:45:22 2022 +0200

    meson: Ignore some files when creating release tarball

 .gitattributes | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..72ba3f88d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,11 @@
+build-aux/org.gnome.Fractal.Devel.json export-ignore
+build-aux/org.gnome.Fractal.Hack.json export-ignore
+build-aux/org.gnome.Fractal.json export-ignore
+.editorconfig export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+.gitlab export-ignore
+.gitlab-ci.yml export-ignore
+hooks export-ignore
+.rustfmt.toml export-ignore
+.typos.toml export-ignore