Styling updates

Author: AndreiDreyer

docs.joern.io/assets/_custom.scss

@@ -0,0 +1,16 @@
+/* You can add custom styles here. */
+
+// @import "plugins/numbered";
+
+.container {
+  max-width: 80%
+}
+
+.markdown {
+  table {
+    tr th,
+    tr td {
+      font-size: 0.8em
+    }
+  }
+}