[Documentation] Add a doxy group for the PictureLoader. (#6204)

* Add a doxy group for the PictureLoader.

Took 26 minutes

* Linting is a fun activity for children and adults of all ages and sizes.

Took 5 minutes

---------

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/picture_loader/picture_loader.h

@@ -1,3 +1,9 @@
+/**
+ * @file picture_loader.h
+ * @ingroup PictureLoader
+ * @brief TODO: Document this.
+ */
+
 #ifndef PICTURELOADER_H
 #define PICTURELOADER_H
 

cockatrice/src/picture_loader/picture_loader_local.h

@@ -1,3 +1,9 @@
+/**
+ * @file picture_loader_local.h
+ * @ingroup PictureLoader
+ * @brief TODO: Document this.
+ */
+
 #ifndef PICTURE_LOADER_LOCAL_H
 #define PICTURE_LOADER_LOCAL_H
 

cockatrice/src/picture_loader/picture_loader_request_status_display_widget.h

@@ -1,3 +1,9 @@
+/**
+ * @file picture_loader_request_status_display_widget.h
+ * @ingroup PictureLoader
+ * @brief TODO: Document this.
+ */
+
 #ifndef PICTURE_LOADER_REQUEST_STATUS_DISPLAY_WIDGET_H
 #define PICTURE_LOADER_REQUEST_STATUS_DISPLAY_WIDGET_H
 #include "picture_loader_worker_work.h"

cockatrice/src/picture_loader/picture_loader_status_bar.h

@@ -1,3 +1,9 @@
+/**
+ * @file picture_loader_status_bar.h
+ * @ingroup PictureLoader
+ * @brief TODO: Document this.
+ */
+
 #ifndef PICTURE_LOADER_STATUS_BAR_H
 #define PICTURE_LOADER_STATUS_BAR_H
 

cockatrice/src/picture_loader/picture_loader_worker.h

@@ -1,3 +1,9 @@
+/**
+ * @file picture_loader_worker.h
+ * @ingroup PictureLoader
+ * @brief TODO: Document this.
+ */
+
 #ifndef PICTURE_LOADER_WORKER_H
 #define PICTURE_LOADER_WORKER_H
 

cockatrice/src/picture_loader/picture_loader_worker_work.h

@@ -1,3 +1,9 @@
+/**
+ * @file picture_loader_worker_work.h
+ * @ingroup PictureLoader
+ * @brief TODO: Document this.
+ */
+
 #ifndef PICTURE_LOADER_WORKER_WORK_H
 #define PICTURE_LOADER_WORKER_WORK_H
 

cockatrice/src/picture_loader/picture_to_load.h

@@ -1,3 +1,9 @@
+/**
+ * @file picture_to_load.h
+ * @ingroup PictureLoader
+ * @brief TODO: Document this.
+ */
+
 #ifndef PICTURE_TO_LOAD_H
 #define PICTURE_TO_LOAD_H
 

doc/doxygen-groups/doc_groups.dox

@@ -515,6 +515,13 @@
  * @brief Dialogs related to interacting with a remote server.
  */
 
+/**
+ * @defgroup PictureLoader Card Picture Loader
+ * @ingroup UI
+ * @ingroup Cards
+ * @brief The PictureLoader for CardInfoPictureWidget%s and CardItem%s
+ */
+
 /* ------------------------------------------------------------------ */
 /* Replay                                                             */
 /* ------------------------------------------------------------------ */