build: add flatpak

build-aux/flatpak/io.github.ImaginerApp.Imaginer.json

@@ -0,0 +1,50 @@
+{
+    "app-id" : "io.github.ImaginerApp.Imaginer",
+    "runtime" : "org.gnome.Platform",
+    "runtime-version" : "44",
+    "sdk" : "org.gnome.Sdk",
+    "command" : "imaginer",
+    "finish-args" : [
+        "--share=network",
+        "--share=ipc",
+        "--socket=fallback-x11",
+        "--device=dri",
+        "--socket=wayland"
+    ],
+    "cleanup" : [
+        "/include",
+        "/lib/pkgconfig",
+        "/man",
+        "/share/doc",
+        "/share/gtk-doc",
+        "/share/man",
+        "/share/pkgconfig",
+        "*.la",
+        "*.a"
+    ],
+    "modules" : [
+        "pypi-dependencies.json",
+        {
+            "name" : "blueprint-compiler",
+            "buildsystem" : "meson",
+            "sources" : [
+                {
+                    "type" : "git",
+                    "url" : "https://gitlab.gnome.org/jwestman/blueprint-compiler",
+                    "tag" : "v0.6.0"
+                }
+            ]
+        },
+        {
+            "name" : "imaginer",
+            "builddir" : true,
+            "buildsystem" : "meson",
+            "sources" : [
+                {
+                    "type" : "dir",
+                    "path" : "../../."
+                }
+            ]
+        }
+    ]
+}