Update for bergamot requiring an 'input program' too

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>

layouts/shortcodes/bergamot_widget.html

@@ -35,8 +35,9 @@
          LatexSym @ latex(?s, ?l) <- sym(?s), tostring(?s, ?l_1), join(["\\\\text{", ?l_1,"}"], ?l);
          LatexCall @ latex(?c, ?l) <- call(?c, ?n, ?ts), nonempty(?ts), latexlist(?ts, ?lts_1), intercalate(", ", ?lts_1, ?lts_2), join(?lts_2, ?lts_3), join(["\\\\text{", ?n, "}", "(", ?lts_3, ")"], ?l);
     `;
+    const inputRules = `{{ .Get "prompt" }}`;
     var app = Elm.Main.init({
         node: document.getElementById('{{ .Get "id" }}'),
-        flags: { renderRules, rules: '{{- strings.Trim .Inner " \\n" -}}', query: '{{ .Get "query" }}' }
+        flags: { renderRules, inputRules, rules: '{{- strings.Trim .Inner " \\n" -}}', query: '{{ .Get "query" }}' }
     });
 </script>