fix(stage-ui): bring back missing deps in optimizeDeps.include

cspell.config.yaml

@@ -89,6 +89,7 @@ words:
   - eventa
   - Factorio
   - feaxios
+  - flexsearch
   - formkit
   - frontmatter
   - giteeai

packages/stage-ui/vite.config.ts

@@ -29,6 +29,12 @@ export default defineConfig({
       'remark-math',
       'remark-parse',
       'unified',
+      // Histoire dependencies (Copied from Histoire's vite.ts)
+      'flexsearch',
+      'shiki',
+      // Shiki dependencies
+      'vscode-oniguruma',
+      'vscode-textmate',
     ],
   },
   plugins: [