editor improvements

* add callout, youtube embed, image, video, table, detail, math
* fix attachments module
* other fixes

apps/client/src/features/editor/components/video/upload-video-action.tsx

@@ -0,0 +1,23 @@
+import { handleVideoUpload } from "@docmost/editor-ext";
+import { uploadFile } from "@/features/page/services/page-service.ts";
+
+export const uploadVideoAction = handleVideoUpload({
+  onUpload: async (file: File, pageId: string): Promise<any> => {
+    try {
+      return await uploadFile(file, pageId);
+    } catch (err) {
+      console.error("failed to upload image", err);
+      throw err;
+    }
+  },
+  validateFn: (file) => {
+    if (!file.type.includes("video/")) {
+      return false;
+    }
+
+    if (file.size / 1024 / 1024 > 20) {
+      return false;
+    }
+    return true;
+  },
+});