fix(web): show Anubis version number on challenge pages (#587)

Closes #565

The page already had the version number embedded into it, but that was
not printed to the page. This prints the version number set at compile
time to the page.

Signed-off-by: Xe Iaso <me@xeiaso.net>

web/index.templ

@@ -123,6 +123,7 @@ templ index() {
 >JShelter</a> will disable. Please disable JShelter or other such
 				plugins for this domain.
 			</p>
+			<p>This website is running Anubis version <code>{ anubis.Version }</code>.</p>
 		</details>
 		<noscript>
 			<p>
@@ -154,15 +155,15 @@ templ errorPage(message string, mail string) {
 }
 
 templ StaticHappy() {
-<div class="centered-div">
-    <img
-            style="display:none;"
-            style="width:100%;max-width:256px;"
-            src={ "/.within.website/x/cmd/anubis/static/img/happy.webp?cacheBuster=" +
+	<div class="centered-div">
+		<img
+			style="display:none;"
+			style="width:100%;max-width:256px;"
+			src={ "/.within.website/x/cmd/anubis/static/img/happy.webp?cacheBuster=" +
     anubis.Version }
-    />
-    <p>This is just a check endpoint for your reverse proxy to use.</p>
-</div>
+		/>
+		<p>This is just a check endpoint for your reverse proxy to use.</p>
+	</div>
 }
 
 templ bench() {