[ghex: 1/2] Add a flatpak manifest for nightlies builds

[Kalev Lember <klember src gnome org>]

commit 8df5cf69d698180f508e1535d2674d1d183ecc90
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Tue Dec 11 11:06:49 2018 +0000

    Add a flatpak manifest for nightlies builds

 org.gnome.GHex.json | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
---
diff --git a/org.gnome.GHex.json b/org.gnome.GHex.json
new file mode 100644
index 0000000..b7ba7d2
--- /dev/null
+++ b/org.gnome.GHex.json
@@ -0,0 +1,27 @@
+{
+    "app-id": "org.gnome.GHex",
+    "runtime": "org.gnome.Platform",
+    "runtime-version": "master",
+    "sdk": "org.gnome.Sdk",
+    "command": "ghex",
+    "finish-args": [
+        /* X11 + XShm */
+        "--share=ipc", "--socket=x11",
+        /* Wayland */
+        "--socket=wayland",
+        /* Filesystem */
+        "--filesystem=host",
+        /* dconf */
+        "--filesystem=xdg-run/dconf", "--filesystem=~/.config/dconf:ro",
+        "--talk-name=ca.desrt.dconf", "--env=DCONF_USER_CONFIG_DIR=.config/dconf"
+    ],
+    "modules": [
+        {
+            "name": "ghex",
+            "sources": [{
+                "type": "git",
+                "url": "https://gitlab.gnome.org/GNOME/ghex.git";
+            }]
+        }
+    ]
+}