Downgrade min version to 0.54.0

theme.toml

@@ -8,7 +8,7 @@ description = "A very basic Hugo theme, with bare-boned layouts and no CSS."
 homepage = "https://git.thecorams.net/kevin/basic-theme"
 tags = ["minimal", "blog"]
 features = ["blog"]
-min_version = "0.59.1"
+min_version = "0.54.0"
 
 [author]
   name = "Kevin C. Coram"