chore: add vitest config for component testing

vitest.config.ts

@@ -1,12 +1,18 @@
 import { defineConfig } from "vitest/config";
 import react from "@vitejs/plugin-react";
+import path from "path";
 
 export default defineConfig({
   test: {
     environment: "jsdom",
     globals: true,
-    setupFiles: [],
-    include: ["src/app/(dashboard)/dashboard/cache/**/*.tsx"],
+    include: ["src/app/(dashboard)/dashboard/cache/__tests__/**/*.test.tsx"],
+    exclude: ["**/node_modules/**", "**/.git/**"],
   },
   plugins: [react()],
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
 });