feat: Add alternate mimetype support, enhance validation for alternate mimetypes, and improve script loading performance

- mime_type.ts: Added a new column `public alternate_mimetype: string;`
- MimetypeController.ts: Extended validation and storage logic to accommodate the new `alternate_mimetype` attribute
- adonisrc.ts: Integrated new validation rule to validate user-provided mimetypes
- vite.ts: Set `defer: true` for script attributes to improve loading performance
- update_1_to_mime_types.ts: Added migration for the new `alternate_mimetype` column in the database
- UI improvements: Updated components such as AsideMenuLayer.vue, FormCheckRadioGroup.vue, MimeTypeInput.vue, NavBar.vue (lime-green background), NavBarMenu.vue, SectionBannerStarOnGitea.vue, Admin/mimetype/Create.vue, Admin/mimetype/Delete.vue, Admin/mimetype/Index.vue
- allowed_extensions_mimetype.ts: Enhanced rule to also check for alternate mimetypes
- referenceValidation.ts: Improved validation to allow only ISBNs with a '-' delimiter
- package-lock.json: Updated npm dependencie

config/vite.ts

@@ -20,10 +20,13 @@ const viteBackendConfig = defineConfig({
      */
     assetsUrl: '/assets',
 
-    // neu
-    // scriptAttributes: {
-    //     defer: true,
-    // },
+     /**
+     * Add defer attribute to scripts for better performance.
+     */
+     scriptAttributes: {
+        defer: true,
+    },
+  
 });
 
 export default viteBackendConfig;