feat(filelib-web): 编辑器增加 Typst 语法高亮支持

hub/filelib-web/src/lib/CodeEditor.svelte

@@ -11,6 +11,7 @@
   import { json } from "@codemirror/lang-json";
   import { html } from "@codemirror/lang-html";
   import { css } from "@codemirror/lang-css";
+  import { typst } from "codemirror-lang-typst";
   import type { Extension } from "@codemirror/state";
 
   let { value = "", readonly = false, filename = "", onchange }: {
@@ -53,6 +54,9 @@
       case "css":
       case "scss":
         return [css()];
+      case "typ":
+      case "typst":
+        return [typst()];
       default:
         return [];
     }