Move app state to its own module

src/files.rs

@@ -185,6 +185,7 @@ mod tests {
                 web::Data::new(AppState::new(
                     Arc::new(StreamActor {}.start()),
                     String::from("/tmp"),
+                    String::from("/tmp/thumbs"),
                 )),
             )
             .await;
@@ -222,6 +223,7 @@ mod tests {
                 web::Data::new(AppState::new(
                     Arc::new(StreamActor {}.start()),
                     String::from("/tmp"),
+                    String::from("/tmp/thumbs"),
                 )),
             )
             .await;