feat: add Zotero 10 support

Bump strict_max_version to 10.0.* and esbuild target to firefox140
(Zotero 9/10 Firefox 140 ESR base). Update docs accordingly.

README.md

@@ -12,7 +12,7 @@ Export PDF and EPUB annotations from Zotero to Org-mode files for use with Emacs
 
 ## Requirements
 
-- **[Zotero](https://www.zotero.org/) 7.0+**
+- **[Zotero](https://www.zotero.org/) 7.0+ (through 10.x)**
 - **[Better Notes](https://github.com/windingwind/zotero-better-notes)** plugin — must be installed before this plugin
 - **[Pandoc](https://pandoc.org/)** — for Markdown to Org conversion
 
@@ -89,7 +89,7 @@ src/
     ├── exporter.ts   # Attachment detection, sync checking, batch export
     ├── converter.ts  # Markdown → Org via pandoc, file I/O
     ├── notifier.ts   # Zotero event handlers (sync finish, tab close)
-    └── menu.ts       # Menu registration (Zotero 7 + 8 compatible)
+    └── menu.ts       # Menu registration (Zotero 7 + 8/10 compatible)
 
 addon/                # Static plugin files copied verbatim into the XPI
 ├── manifest.json
@@ -170,7 +170,7 @@ The dev server (`npm start`) watches for changes in `src/` and `addon/`, rebuild
 There are no automated tests. To test manually:
 
 1. `npm run build` to produce the XPI
-2. Install the XPI in a Zotero 7 instance via **Tools → Add-ons → Install Add-on From File...**
+2. Install the XPI in a Zotero 7–10 instance via **Tools → Add-ons → Install Add-on From File...**
 3. Exercise the export functionality manually via the Tools menu and right-click context menu
 
 ### Releasing