[Checkly] adds "Cal.com Dashboard" code (#4134)

Co-authored-by: checkly[bot] <54914329+checkly[bot]@users.noreply.github.com>

__checks__/calcom-dashboard.check.js

@@ -0,0 +1,34 @@
+/**
+ * This is a Playwright script Checkly generated for you based on your Vercel project.
+ * To learn more about Browser checks and Playwright visit: https://www.checklyhq.com/docs/browser-checks
+ */
+
+// Create a Chromium browser
+const { chromium } = require('playwright')
+
+// Checkly supports top level await, but we wrap your code in an async function so you can run it locally too.
+async function run () {
+  const browser = await chromium.launch()
+  const page = await browser.newPage()
+
+  // If available, we set the target URL to a preview deployment URL provided by the ENVIRONMENT_URL created by Vercel.
+  // Otherwise, we use the Production URL.
+  const targetUrl = process.env.ENVIRONMENT_URL || 'https://app.cal.com'
+
+  // We visit the page. This waits for the "load" event by default.
+  const response = await page.goto(targetUrl)
+
+  // If the page doesn't return a successful response code, we fail the check
+  if (response.status() > 399) {
+    throw new Error(`Failed with response code ${response.status()}`)
+  }
+
+  // We snap a screenshot.
+  await page.screenshot({ path: 'screenshot.jpg' })
+
+  // We close the page and browser. This is needed for collecting accurate web vitals.
+  await page.close()
+  await browser.close()
+}
+
+run()