Add Saber (#1310)

* Update README.md

* Update README.md

README.md

@@ -182,7 +182,8 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Notion](https://www.notion.so/) - Notion is the all-in-one workspace. From notes, tasks, wikis, to database, Notion is all you need. Works great for teams and individuals.
 * [Obsidian](https://obsidian.md/) - Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
 * [OneNote](https://www.onenote.com/) - Note-taking app by Microsoft. ![Freeware][Freeware Icon]
-+ [OutlineEdit 3](https://outlineedit.com) - Fully-featured outline editor, for everyone who loves great structured notes. [![App Store][app-store Icon]](https://apps.apple.com/us/app/outlineedit-3/id1608887438)
+* [OutlineEdit 3](https://outlineedit.com) - Fully-featured outline editor, for everyone who loves great structured notes. [![App Store][app-store Icon]](https://apps.apple.com/us/app/outlineedit-3/id1608887438)
+* [Saber](https://saber.adil.hanney.org/) - Cross platform stylus and text notetaking app. Supports image and pdf imports, can sync. [![App Store][app-store Icon]](https://apps.apple.com/us/app/saber/id1671523739)[![Open-Source Software][OSS Icon]](https://github.com/adil192/saber)
 * [SideNotes](https://www.apptorium.com/sidenotes) - Quick notes on the screen side. Take notes while working with other apps. Use Markdown for text formatting.
 * [Standard Notes](https://standardnotes.com/) - An end-to-end encrypted notes app for digitalists and professionals. [![Open-Source Software][OSS Icon]](https://github.com/standardnotes/app) ![Freeware][Freeware Icon]
 * [QOwnNotes](http://www.qownnotes.org/) - Open-source notepad with markdown support and todo list manager. [![Open-Source Software][OSS Icon]](https://github.com/pbek/QOwnNotes) ![Freeware][Freeware Icon]