Translate using meson

- Add necessary translation files
- Add bengali translation
- Add german translation
- Add british english translation
- Add spanish translation
- Update ci with latest ubuntu release
  and build dependencies

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
   # This workflow contains a single job called "build"
   build:
     # The type of runner that the job will run on
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
         language: [ 'python' ]
@@ -34,9 +34,9 @@ jobs:
 
       - name: install-deps
         run: |
-          sudo apt install acpi gobject-introspection gir1.2-appindicator3-0.1 \
-          gir1.2-gtk-3.0 gir1.2-notify-0.7 libappindicator3-1 meson python3 \
-          python3-configobj python3-gi python3-setproctitle python3-tldextract
+          sudo apt install acpi gettext desktop-file-utils gir1.2-appindicator3-0.1 \
+          gir1.2-gtk-3.0 gir1.2-notify-0.7 libappindicator3-1 libglib2.0-bin libgtk-4-bin
+          meson python3 python3-configobj python3-gi python3-setproctitle python3-tldextract
       
       - name: make
         run: ./test/test -qq

po/LINGUAS

@@ -1 +1,4 @@
-en
+bn
+de
+en_GB
+es

po/POTFILES

@@ -11,6 +11,6 @@ src/BatteryMonitor/indicator.py
 src/BatteryMonitor/__init__.py
 src/BatteryMonitor/main.py
 src/BatteryMonitor/Notification.py
-[type: gettext/glade]src/BatteryMonitor/ui/battery-monitor.ui
-[type: gettext/glade]src/BatteryMonitor/ui/logger.ui
-[type: gettext/glade]src/BatteryMonitor/ui/shortcuts.ui
+src/BatteryMonitor/ui/battery-monitor.ui
+src/BatteryMonitor/ui/logger.ui
+src/BatteryMonitor/ui/shortcuts.ui