Add github action to build flatpak bundle

.github/workflows/flatpak-builder.yml

@@ -0,0 +1,21 @@
+on:
+  push:
+    branches: [main]
+  pull_request:
+name: Flatpak Builder
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    container:
+      image: bilelmoussaoui/flatpak-github-actions:gnome-44
+      options: --privileged
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Flatpak Builder
+      uses: flatpak/flatpak-github-actions/flatpak-builder@v6.1
+      with:
+        bundle: io.github.heliguy4599.FlattoolGUI.flatpak
+        manifest-path: io.github.heliguy4599.FlattoolGUI.flatpak.json

po/flattool-gui.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: flattool-gui\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2023-09-02 13:56-0400\n"
+"POT-Creation-Date: 2023-09-02 14:03-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"