make katex optional

app/src/global-options/index.tsx

@@ -4,7 +4,7 @@ import { OptionGroup } from "../core/options/option-group";
 import { openAIOptions } from "./openai";
 import { parameterOptions } from "./parameters";
 import { ttsServiceOptions } from "./tts-service";
-import { autoScrollOptions, inputOptions } from "./ui";
+import { autoScrollOptions, inputOptions, markdownOptions } from "./ui";
 import { whisperOptions } from "./whisper";
 
 export const globalOptions: OptionGroup[] = [
@@ -12,6 +12,7 @@ export const globalOptions: OptionGroup[] = [
     autoScrollOptions,
     parameterOptions,
     inputOptions,
+    markdownOptions,
     whisperOptions,
     ttsServiceOptions,
 ];

app/src/global-options/ui.tsx

@@ -47,4 +47,20 @@ export const inputOptions: OptionGroup = {
             },
         },
     ],
+}
+
+export const markdownOptions: OptionGroup = {
+    id: 'markdown',
+    name: "Markdown",
+    options: [
+        {
+            id: 'katex',
+            defaultValue: false,
+            displayOnSettingsScreen: "ui",
+            renderProps: {
+                type: "checkbox",
+                label: "Enable Katex math rendering (experimental)",
+            },
+        },
+    ],
 }