Change min_version: 0.14 => 0.15 to use .IsHome

theme.toml

@@ -5,7 +5,7 @@ description = "A simple Hugo theme with Bootstrap for documentation"
 homepage = "http://key-amb.github.io/bootie-docs-demo/"
 tags = ["document", "bootstrap"]
 features = ["document", ""]
-min_version = 0.14
+min_version = 0.15
 
 [author]
   name = "IKEDA Kiyoshi"