Adding desktop icon.

me.sergiotarxz.openmg.desktop

@@ -3,7 +3,7 @@ Name=OpenMG
 GenericName=Manga Reader
 Comment=A manga reader
 Comment[es]=A manga reader
-Exec=OPENMGEXEC
+Exec=openmg
 Icon=openmg
 Type=Application
 Terminal=false

meson.build

@@ -51,6 +51,27 @@ if images_on_lists
     cArgs += ['-DLIST_IMAGES']
 endif
 
+# Install our icons in all the required sizes
+icon_sizes = ['16', '24', '32', '48', '64', '128']
+
+foreach i : icon_sizes
+    install_data(
+        'openmg.svg',
+        install_dir: get_option('datadir') / 'icons' / 'hicolor' / i + 'x' + i / 'apps',
+        rename: meson.project_name() + '.svg'
+    )
+    install_data(
+        'openmg.svg',
+        install_dir: get_option('datadir') / 'icons' / 'hicolor' / i + 'x' + i + '@2' / 'apps',
+        rename: meson.project_name() + '.svg'
+    )
+endforeach
+
+install_data(
+    'me.sergiotarxz.openmg.desktop',
+    install_dir: get_option('datadir') / 'applications',
+)
+
 executable('openmg',
     sources,
     dependencies : openmgdeps,