Add a changelog entry.

diff --git a/doc/news/changes/minor/20220504Bangerth b/doc/news/changes/minor/20220504Bangerth
new file mode 100644 (file)
index 0000000..16b6a29
--- /dev/null
+++ b/doc/news/changes/minor/20220504Bangerth
@@ -0,0 +1,5 @@
+New: There are now functions ReferenceCell::volume() and
+ReferenceCells::barycenter() that compute what their names suggest for
+the various kinds of reference cells deal.II supports.
+<br>
+(Wolfgang Bangerth, 2022/05/04)