fix(copy): VocaWin is Beta, still unsigned (#733)

* fix(copy): VocaWin is Beta, still unsigned

Call VocaWin Beta on the site family card, About blurb, and README table, same word as VocaMac. Keep the unsigned / SmartScreen wording. No version tag.

* fix(copy): cite VocaWin v0.1.0-beta.1, no release URL

The git tag exists on VocaHQ/vocawin. GitHub Releases does not. About, README, and the site family card name the tag. Links stay on vocawin.com and the repo.

web/src/app/page.tsx

@@ -954,12 +954,12 @@ export default function HomePage() {
                   />
                   Windows
                 </span>
-                <span className="chip">Developer alpha</span>
+                <span className="chip">Beta</span>
               </div>
               <h3>VocaWin</h3>
               <p>
-                Unsigned Windows speech-to-text. SmartScreen may warn about an
-                unknown publisher.
+                Unsigned Windows speech-to-text, v0.1.0-beta.1. SmartScreen may
+                warn about an unknown publisher.
               </p>
             </a>
             <a className="family-card" href="https://vocaphone.vocahq.com">