Add documentation for file dialog and resource path functions

src/app/core/platform/file_dialog.h

@@ -10,7 +10,16 @@ namespace core {
 
 class FileDialogWrapper {
  public:
+  /**
+   * @brief ShowOpenFileDialog opens a file dialog and returns the selected
+   * filepath.
+   */
   static std::string ShowOpenFileDialog();
+
+  /**
+   * @brief ShowOpenFolderDialog opens a file dialog and returns the selected
+   * folder path.
+   */
   static std::string ShowOpenFolderDialog();
   static std::vector<std::string> GetSubdirectoriesInFolder(
       const std::string& folder_path);

src/app/core/platform/file_path.h

@@ -7,9 +7,13 @@ namespace yaze {
 namespace app {
 namespace core {
 
+/**
+ * @brief GetBundleResourcePath returns the path to the bundle resource
+ * directory. Specific to MacOS.
+ */
 std::string GetBundleResourcePath();
 
-}
+}  // namespace core
 }  // namespace app
 }  // namespace yaze