Add a mostly empty d/watch

diff --git a/debian/watch b/debian/watch
new file mode 100644 (file)
index 0000000..459f4dd
--- /dev/null
+++ b/debian/watch
@@ -0,0 +1,4 @@
+version=3
+# Upstream does not release tarballs, but there is a news page showing releases.
+# If the release pages were tarballs, the uscan line would look like:
+#   https://joeyh.name/code/filters/ news/version_([0-9.]+)