feat: refactor Vite plugin loading mechanism and improve plugin management

vite-plugins/09.vite-plugin-image-optimizer.ts

@@ -1,11 +1,12 @@
-import type { ConfigEnv, PluginOption } from 'vite';
 import { ViteImageOptimizer } from 'vite-plugin-image-optimizer';
 
-export function loadPlugin(_configEnv: ConfigEnv): PluginOption {
+import type { LoadPluginFunction } from './_loadPlugins';
+
+export const loadPlugin: LoadPluginFunction = (_pluginLoadOptions) => {
   return [
     // https://github.com/FatehAK/vite-plugin-image-optimizer?tab=readme-ov-file#default-configuration
     ViteImageOptimizer({
       /* pass your config */
     }),
   ];
-}
+};