[gnome-todo/gnome-3-28] Add po/POTFILES.skip

[Piotr Drąg <piotrdrag src gnome org>]

commit 85e303c5c56f3a8396e12192008a2279517def81
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Jun 3 12:09:06 2021 +0200

    Add po/POTFILES.skip

 po/POTFILES.skip | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
new file mode 100644
index 00000000..a068ebc2
--- /dev/null
+++ b/po/POTFILES.skip
@@ -0,0 +1,2 @@
+# List of source files that should *not* be translated.
+subprojects/libadwaita