feat(config): support for setting the default entry to boot

hack/dev/configs/edera.sprout.toml

@@ -1,5 +1,8 @@
 version = 1
 
+[defaults]
+entry = "edera"
+
 [extractors.boot.filesystem-device-match]
 has-item = "\\EFI\\BOOT\\xen.efi"
 

hack/dev/configs/kernel.sprout.toml

@@ -1,5 +1,8 @@
 version = 1
 
+[defaults]
+entry = "kernel"
+
 [extractors.boot.filesystem-device-match]
 has-item = "\\EFI\\BOOT\\kernel.efi"
 

hack/dev/configs/shell.sprout.toml

@@ -1,11 +1,14 @@
 version = 1
 
+[defaults]
+entry = "shell"
+
 [extractors.boot.filesystem-device-match]
 has-item = "\\EFI\\BOOT\\shell.efi"
 
 [actions.chainload-shell]
 chainload.path = "$boot\\EFI\\BOOT\\shell.efi"
 
-[entries.xen]
+[entries.shell]
 title = "Boot Shell"
 actions = ["chainload-shell"]

hack/dev/configs/xen.sprout.toml

@@ -1,5 +1,8 @@
 version = 1
 
+[defaults]
+entry = "xen"
+
 [extractors.boot.filesystem-device-match]
 has-item = "\\EFI\\BOOT\\xen.efi"