[Cloudflare One] Add before/after screenshots for Access login page refresh

Author: kennyj42

src/assets/images/changelog/cloudflare-one/access-login-new.png

@@ -9,6 +9,10 @@ products:
 
 The Access login page and one-time password (OTP) page now feature a refreshed design that improves visual consistency, user trust, and mobile responsiveness.
 
+![Screenshot of the previous Access login page](~/assets/images/changelog/cloudflare-one/access-login-old.png)
+
+![Screenshot of the updated Access login page](~/assets/images/changelog/cloudflare-one/access-login-new.png)
+
 The updated login experience includes:
 
 - **Unified authentication card** - All sign-in options (identity provider buttons, email input, OTP) now appear in a single card with consistent styling, replacing the previous multi-section layout.