add flatpak script

required so that flatpak run is a valid command inside the container

com.github.artemanufrij.webpin.yml

@@ -30,9 +30,16 @@ finish-args:
 # If we had external dependencies that weren't included in our SDK, we would list
 # them here.
 modules:
+    - name: flatpak-script
+      buildsystem: simple
+      build-commands:
+        - install -D flatpak.sh /app/bin/flatpak
+      sources:
+        - type: file
+          path: sources/flatpak.sh
+
     - name: webpin
       buildsystem: meson
       sources:
         - type: dir
           path: .
-          

sources/flatpak.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+# The build system puts this file as /app/bin/flatpak
+# in the container
+
+# This is required so that the container sees "flatpak" as a valid command
+# so that it will read the .desktop files
+echo "flatpak"