fix old posts atm

hugo.toml

@@ -50,6 +50,11 @@ ignoreErrors = ["error-disable-taxonomy"]
 # Configure markup highlighter to match "Bearblog" aesthetics, see
 # https://gohugo.io/configuration/markup/#highlight
 [markup]
+  # we need unsafe HTML for some of my older posts
+  [markup.goldmark]
+    [markup.goldmark.renderer]
+      unsafe = true
+
   [markup.highlight]
     style = 'friendly'
     lineNos = true