Add argo workflow tool

Changelog for 0.11.85:

Commits
e29d414 Add argo workflow tool by @alexellis
fe35b34 Fix errors left over from codex by @alexellis
b20ce29 We can do better than this by @alexellis
aa2871e Update sponsors section by @alexellis
3664e67 Updates for support messages by @alexellis
70c664c Update sponsor messages to let people know about slicer by @alexellis

Changes: 0.11.84...0.11.85

Generated by Derek