[gnome-nibbles] flatpak: Add clutter and clutter-gtk

[Jordan Petridis <jpetridis src gnome org>]

commit 808ab1d494384a74e2d816ad4b50bcdd64f30aeb
Author: Maximiliano Sandoval R <msandova gnome org>
Date:   Sun Feb 6 21:42:13 2022 +0100

    flatpak: Add clutter and clutter-gtk

 org.gnome.Nibbles.json | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
---
diff --git a/org.gnome.Nibbles.json b/org.gnome.Nibbles.json
index 40af930..cf44362 100644
--- a/org.gnome.Nibbles.json
+++ b/org.gnome.Nibbles.json
@@ -57,6 +57,43 @@
                 }
             ]
         },
+        {
+            "name": "cogl",
+            "config-opts": [
+                "--disable-cogl-gst",
+                "--enable-xlib-egl-platform",
+                "--enable-wayland-egl-platform"
+            ],
+            "sources": [
+                {
+                    "type": "git",
+                    "url": "https://gitlab.gnome.org/GNOME/cogl.git";,
+                    "branch": "cogl-1.22"
+                }
+            ]
+        },
+        {
+            "name": "clutter",
+            "config-opts": [
+                "--enable-egl-backend",
+                "--enable-wayland-backend"
+            ],
+            "sources": [
+                {
+                    "type": "git",
+                    "url": "https://gitlab.gnome.org/GNOME/clutter.git";
+                }
+            ]
+        },
+        {
+            "name": "clutter-gtk",
+            "sources": [
+                {
+                    "type": "git",
+                    "url": "https://gitlab.gnome.org/GNOME/clutter-gtk.git";
+                }
+            ]
+        },
         {
             "name": "gnome-nibbles",
             "buildsystem": "meson",