feat: add release smoke workflow

tests/release-smoke/playwright.config.ts

@@ -0,0 +1,28 @@
+import { defineConfig } from "@playwright/test";
+
+const BASE_URL =
+  process.env.PAPERCLIP_RELEASE_SMOKE_BASE_URL ?? "http://127.0.0.1:3232";
+
+export default defineConfig({
+  testDir: ".",
+  testMatch: "**/*.spec.ts",
+  timeout: 90_000,
+  expect: {
+    timeout: 15_000,
+  },
+  retries: process.env.CI ? 1 : 0,
+  use: {
+    baseURL: BASE_URL,
+    headless: true,
+    screenshot: "only-on-failure",
+    trace: "retain-on-failure",
+  },
+  projects: [
+    {
+      name: "chromium",
+      use: { browserName: "chromium" },
+    },
+  ],
+  outputDir: "./test-results",
+  reporter: [["list"], ["html", { open: "never", outputFolder: "./playwright-report" }]],
+});