Rename `with_permanent_redirect_directory` to `with_permanent_redirect` in `Files` service

actix-files/src/files.rs

@@ -150,7 +150,7 @@ impl Files {
     /// Redirect with permanent redirect status code
     ///
     /// By default redirect with temporary redirect status code
-    pub fn with_permanent_redirect_directory(mut self) -> Self {
+    pub fn with_permanent_redirect(mut self) -> Self {
         self.with_permanent_redirect = true;
         self
     }

actix-files/src/lib.rs

@@ -744,7 +744,7 @@ mod tests {
                 Files::new("/", ".")
                     .index_file("test.png")
                     .redirect_to_slash_directory()
-                    .with_permanent_redirect_directory(),
+                    .with_permanent_redirect(),
             ),
         )
         .await;