Add hugo.WorkingDir

Fixes #10969

config/allconfig/configlanguage.go

@@ -101,6 +101,10 @@ func (c ConfigLanguage) DirsBase() config.CommonDirs {
 	return c.m.Base.CommonDirs
 }
 
+func (c ConfigLanguage) WorkingDir() string {
+	return c.m.Base.WorkingDir
+}
+
 func (c ConfigLanguage) Quiet() bool {
 	return c.m.Base.Internal.Quiet
 }

config/configProvider.go

@@ -64,6 +64,7 @@ type AllProvider interface {
 	Timeout() time.Duration
 	StaticDirs() []string
 	IgnoredErrors() map[string]bool
+	WorkingDir() string
 }
 
 // Provider provides the configuration settings for Hugo.