Add beta press-release

This is an early draft for a press release that I would try to spread on release day. Feedback is very welcome!

css/styles.css

@@ -341,6 +341,21 @@ figcaption {
     white-space:nowrap;
 }
 
+#content.news a {
+	font-weight: normal;
+}
+
+#content #screenshots {
+	display: flex;
+	flex-wrap: nowrap;
+    overflow-x: auto;
+}
+
+#content #screenshots a img {
+    width: 200px;
+    margin: 15px;
+}
+
 #sublist a.selected {color:#C1392B;}
 
 .intro {