One more attempt using widths?

---
Signed-off-by: Brad Chamberlain <bradcray@users.noreply.github.com>

Author: bradcray

README.rst

@@ -47,6 +47,7 @@ Chapel Community:      https://chapel-lang.org/community/
 
 .. list-table::
    :class: borderless
+   :widths: 33 33 33
 
    * - .. image:: https://chapel-lang.org/img/logos/HPSF_horizontal-tagline-color.jpg
           :target: https://hpsf.io/