impr: Refactor and modularize data information view

plugins/builtin/source/content/file_handlers.cpp

@@ -1,6 +1,7 @@
 #include <hex/api/content_registry.hpp>
 
 #include <hex/api/project_file_manager.hpp>
+#include <toasts/toast_notification.hpp>
 
 namespace hex::plugin::builtin {
 
@@ -18,6 +19,17 @@ namespace hex::plugin::builtin {
 
             return false;
         });
+
+        ContentRegistry::FileHandler::add({ ".mgc" }, [](const auto &path) {
+            for (const auto &destPath : fs::getDefaultPaths(fs::ImHexPath::Magic)) {
+                if (wolv::io::fs::copyFile(path, destPath / path.filename(), std::fs::copy_options::overwrite_existing)) {
+                    ui::ToastInfo::open("hex.builtin.view.information.magic_db_added"_lang);
+                    return true;
+                }
+            }
+
+            return false;
+        });
     }
 
 }