Fix asciinema player in news articles

content/news/2022-03-28-release-22.03-highlights.md

@@ -131,7 +131,6 @@ The next release is sure to be exciting as well. Contribute and follow
 along with development in the [GitHub repository][helix-git] and be sure to
 join in on discussions in the [Matrix channel][matrix].
 
-<script src="/asciinema-player.js"></script>
 [changelog]: https://github.com/helix-editor/helix/blob/master/CHANGELOG.md#2203-2022-03-28
 [docs]: https://docs.helix-editor.com/
 [master-docs]: https://docs.helix-editor.com/master/

content/news/2022-05-28-release-22.05-highlights.md

@@ -119,7 +119,6 @@ Contribute and follow along with development in the
 [GitHub repository][helix-git] and be sure to join in on discussions in the
 [Matrix channel][matrix].
 
-<script src="/asciinema-player.js"></script>
 [changelog]: https://github.com/helix-editor/helix/blob/master/CHANGELOG.md#2205-2022-05-17
 [default language configuration]: https://docs.helix-editor.com/guides/adding_languages.html#language-configuration
 [helix-git]: https://github.com/helix-editor/helix/

content/news/2022-08-31-release-22.08-highlights.md

@@ -131,7 +131,6 @@ Contribute and follow along with development in the
 [Helix GitHub repository][helix-git] and be sure to join in on discussions in
 the [Matrix channel][matrix].
 
-<script src="/asciinema-player.js"></script>
 [changelog]: https://github.com/helix-editor/helix/blob/master/CHANGELOG.md#2208-2022-08-31
 [helix-git]: https://github.com/helix-editor/helix/
 [matrix]: https://matrix.to/#/#helix-community:matrix.org

templates/news-page.html

@@ -7,4 +7,14 @@
 
 {{ page.content | safe }}
 
+<script src="/asciinema-player.min.js"></script>
+<script>
+for (const player of document.getElementsByTagName("asciinema-player")) {
+  AsciinemaPlayer.create(player.attributes["src"].value, player, {
+    cols: parseInt(player.attributes["cols"].value),
+    rows: parseInt(player.attributes["rows"].value),
+  });
+}
+</script>
+
 {% endblock content %}