Add Playwright configuration and visual regression tests (#2170)

playwright.config.ts

@@ -0,0 +1,21 @@
+import { defineConfig, devices } from "@playwright/test"
+
+export default defineConfig({
+	testDir: "./tests",
+	timeout: 10000,
+	fullyParallel: true,
+	projects: [
+		{
+			name: "chromium",
+			use: { ...devices["Desktop Chrome"] },
+		},
+	],
+	use: {
+		trace: "on-first-retry",
+		screenshot: "only-on-failure",
+	},
+	reporter: [
+		process.env.CI ? ["dot"] : ["list"],
+		["@argos-ci/playwright/reporter", { uploadToArgos: !!process.env.CI }],
+	],
+})