transition maintainership to Max (#245)

Author: simonpcouch

.Rbuildignore

@@ -20,3 +20,4 @@ cran-comments.md
 ^vignettes/articles$
 ^[\.]?air\.toml$
 ^\.vscode$
+MAINTENANCE.md

DESCRIPTION

@@ -2,8 +2,8 @@ Package: stacks
 Title: Tidy Model Stacking
 Version: 1.1.1.9001
 Authors@R: c(
-    person("Simon", "Couch", , "[email protected]", role = c("aut", "cre")),
-    person("Max", "Kuhn", , "[email protected]", role = "aut"),
+    person("Simon", "Couch", , "[email protected]", role = "aut"),
+    person("Max", "Kuhn", , "[email protected]", role = c("aut", "cre")),
     person("Posit Software, PBC", role = c("cph", "fnd"),
            comment = c(ROR = "03wc8by49"))
   )

MAINTENANCE.md

@@ -0,0 +1,7 @@
+# Maintaining stacks
+
+The stacks package is mature and stable, and is up-to-date with spring cleaning as of Spring 2025.
+
+## To-do
+
+The package deserves a more thorough investigation of support for post-processing. Up to this point, we've only ensured that tuning results generated with the new tune release can be added to data stacks (not necessarily with preprocessors). [TODO link issue] outlines several possible entry points.