Add sparkle message to home

src/webviews/apps/home/home.html

@@ -246,6 +246,7 @@
 					><span class="nav-list__label">Tutorial Video</span></a
 				>
 			</nav>
+			<p class="t-subtle">✨ Requires a trial or subscription to use this on privately hosted repos.</p>
 		</main>
 
 		#{endOfBody}

src/webviews/apps/home/home.scss

@@ -317,6 +317,10 @@ gk-button {
 		color: var(--color-foreground--50);
 		margin: 0;
 	}
+
+	&-subtle {
+		color: var(--color-foreground--50);
+	}
 }
 
 .nav-list {