🚀 Refactor GamemasterManager to use reusable async state management for loading, saving, and error handling

code/websites/pokedex.online/src/components/shared/index.js

@@ -0,0 +1,8 @@
+/**
+ * Shared Components Index
+ *
+ * Centralized exports for all shared components
+ */
+
+export { default as BaseButton } from './BaseButton.vue';
+export { default as BaseModal } from './BaseModal.vue';