Rename BaseConf.New to BaseConf.Get

Since BaseConf.New could return a cached BaseConf, rather than always
constructing a new struct, I've renamed it to Get to more accurately
reflect its use. A new New() method is called by Get and always
initializes a new struct.

Signed-off-by: Jonathon Anderson <janderson@ciq.co>

internal/app/wwctl/genconf/warewulfconf/print/main.go

@@ -9,7 +9,7 @@ import (
 )
 
 func CobraRunE(cmd *cobra.Command, args []string) (err error) {
-	conf := warewulfconf.New()
+	conf := warewulfconf.Get()
 	buffer, err := yaml.Marshal(&conf)
 	if err != nil {
 		return