Add files for preliminary work on flatpak

browser/build_flatpack.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+sudo apt install flatpak-builder;

browser/resources/flatpak/io.gitlab.librewolf-community

@@ -0,0 +1,32 @@
+{
+    "app-id": "io.gitlab.LibreWolf",
+    "runtime": "org.gnome.Platform",
+    "runtime-version": "3.22",
+    "sdk": "org.gnome.Sdk",
+    "command": "librewolf",
+    "finish-args": [
+        /* X11 + XShm access */
+        "--share=ipc", "--socket=x11",
+        /* Wayland access */
+        "--socket=wayland",
+        /* We want full fs access so we can read the files */
+        "--filesystem=home:rw",
+        /* Needs to talk to the network: */
+        "--share=network"
+    ],
+    "modules": [
+        {
+            "name": "librewolf",
+            "buildsystem": "simple",
+            "build-commands": [
+                "install -D hello.sh /app/bin/hello.sh"
+            ],
+            "sources": [
+                {
+                    "type": "file",
+                    "path": "hello.sh"
+                }
+            ]
+        }
+    ]
+}