[gnome-font-viewer] flatpak: add a flatpak manifest

[Cosimo Cecchi <cosimoc src gnome org>]

commit 2c178a0159bece72876a36dbd1c5d7291e94e781
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Sep 3 17:03:02 2018 -0700

    flatpak: add a flatpak manifest
    
    Builds git master against the master GNOME SDK, for testing.

 flatpak/org.gnome.font-viewer.json | 46 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
---
diff --git a/flatpak/org.gnome.font-viewer.json b/flatpak/org.gnome.font-viewer.json
new file mode 100644
index 0000000..8949197
--- /dev/null
+++ b/flatpak/org.gnome.font-viewer.json
@@ -0,0 +1,46 @@
+{
+    "app-id": "org.gnome.font-viewer",
+    "runtime": "org.gnome.Platform",
+    "sdk": "org.gnome.Sdk",
+    "command": "gnome-font-viewer",
+    "finish-args": [
+        "--device=dri",
+        "--share=ipc",
+        "--socket=wayland",
+        "--socket=fallback-x11",
+        "--talk-name=org.gtk.vfs", "--talk-name=org.gtk.vfs.*",
+        "--talk-name=ca.desrt.conf", "--env=DCONF_USER_CONFIG_DIR=.config/dconf",
+        "--filesystem=xdg-run/dconf", "--filesystem=~/.config/dconf:ro"
+    ],
+    "cleanup": [
+        "/include",
+        "/lib/pkgconfig", "/share/pkgconfig",
+        "/share/aclocal",
+        "/man", "/share/man", "/share/gtk-doc",
+        "*.la", ".a",
+        "/lib/girepository-1.0",
+        "/share/gir-1.0",
+        "/share/doc"
+    ],
+    "modules": [
+        {
+            "name": "gnome-desktop",
+            "sources": [
+                {
+                    "type": "git",
+                    "url": "https://git.gnome.org/browse/gnome-desktop";
+                }
+            ]
+        },
+        {
+            "name": "gnome-font-viewer",
+            "buildsystem": "meson",
+            "sources": [
+                {
+                    "type": "git",
+                    "path": ".."
+               }
+            ]
+        }
+    ]
+}