added frontend test environment

frontend/vitest.config.ts

@@ -0,0 +1,18 @@
+import { defineConfig } from 'vitest/config'
+import { loadEnv } from 'vite'
+
+export default defineConfig(({mode}) => {
+    const env = loadEnv(mode, process.cwd(), '')
+
+    return {
+        server: {
+            port: 51204,
+            host: '0.0.0.0',
+            allowedHosts: env.VITEST_PUBLIC_URL ? [env.VITEST_PUBLIC_URL] : [],
+        },
+        test: {
+            environment: 'jsdom',
+            env: loadEnv(mode, process.cwd(), '')
+        }
+    }
+});