add cloud save CTA

src/pages/beta.astro

@@ -38,10 +38,12 @@ const { win, mac, lin } = betaReleases;
               >. This allows you to work from any device, share & collaborate
               with others and restore previous versions if you lose work.
             </p>
-            <p class="mt-2">
-              To get started with cloud project saving, simply save a project (<kbd
-                >Ctrl</kbd
-              > + <kbd>S</kbd>). You'll be guided from there.
+            <p class="mt-2 bg-amber-200 p-4 rounded-lg -mx-4">
+              <strong
+                >For this beta, please try Cloud saving some of your existing
+                projects.</strong
+              > To do that, simply open one of your existing projects like usual,
+              then go to File &gt; Save to Cloud. You'll be guided from there.
             </p>
           </div>
         </div>
@@ -92,7 +94,7 @@ const { win, mac, lin } = betaReleases;
                 checking. If you want to prepare your loop for automatic tempo
                 detection without relying on audio analysis, both acidizer tempo
                 tags or simply writing "123 bpm" anywhere into the filename
-                work. 
+                work.
               </p>
             </div>
 
@@ -106,7 +108,8 @@ const { win, mac, lin } = betaReleases;
                 select "Pitch and speed...". When changing the pitch this way,
                 an arrow in the UI indicates how much you've shifted it. <a
                   class="hyperlink"
-                  href="https://support.audacityteam.org/audio-editing/changing-pitch">Learn More...</a
+                  href="https://support.audacityteam.org/audio-editing/changing-pitch"
+                  >Learn More...</a
                 >
               </p>
             </div>