feat(infisical-pg): added e2e test setup

backend-pg/vitest.e2e.config.ts

@@ -0,0 +1,11 @@
+import tsconfigPaths from "vite-tsconfig-paths"; // only if you are using custom tsconfig paths
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    globals: true,
+    environment: "./e2e-test/vitest-environment-knex.ts",
+    include: ["./e2e-test/**/*.spec.ts"]
+  },
+  plugins: [tsconfigPaths()] // only if you are using custom tsconfig paths,
+});