Merge pull request #27 from SciML/compathelper/new_version/2022-01-13-13-33-11-746-03570437894

CompatHelper: add new compat entry for SciMLBase at version 1, (keep existing compat)

Author: ChrisRackauckas

Project.toml

@@ -15,3 +15,6 @@ SciMLBase = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
 SymbolicUtils = "d1185830-fcd6-423d-90d6-eec64667417b"
 Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[compat]
+SciMLBase = "1"