setup flatpak

taken from https://github.com/search?q=repo%3Abeekeeper-studio%2Fbeekeeper-studio%20flatpak&type=code

.github/workflows/build.yml

@@ -69,6 +69,13 @@ jobs:
       - name: (Linux) Install and login to Snapcraft
         uses: samuelmeuli/action-snapcraft@v2
         if: startsWith(matrix.os, 'ubuntu')
+      
+      - name: (Linux) Setup flatpak
+        if: startsWith(matrix.os, 'ubuntu')
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y flatpak flatpak-builder
+          flatpak --user remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
 
       - name: Save provisioning profile
         if: startsWith(matrix.os, 'macos')

package.json

@@ -471,6 +471,22 @@
         "default",
         "removable-media"
       ]
+    },
+    "flatpak": {
+      "runtime": "org.freedesktop.Platform",
+      "runtimeVersion": "23.08",
+      "sdk": "org.freedesktop.Sdk",
+      "base": "org.electronjs.Electron2.BaseApp",
+      "baseVersion": "23.08",
+      "finishArgs": [
+        "--share=network",
+        "--socket=x11",
+        "--socket=wayland",
+        "--device=dri",
+        "--socket=pulseaudio",
+        "--filesystem=home",
+        "--talk-name=org.freedesktop.Notifications"
+      ]
     }
   },
   "packageManager": "yarn@4.11.0"