Add SnapX to awesome-avalonia productivity section (#216)

* Initial plan

* Add SnapX to awesome-avalonia productivity section

Co-authored-by: OmidID <[email protected]>

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Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: OmidID <[email protected]>

README.md

@@ -121,6 +121,7 @@ Contributions are always welcome! Please take a look at the [Contribution Guidel
 - [Everywhere](https://github.com/DearVa/Everywhere) - Everywhere is a context-aware, interactive AI/LLM assistant built with .NET and Avalonia.
 - [iTimeSlot](https://github.com/hoyho/iTimeSlot) - A cross-platform and freestyle time management app for you to focus on completing tasks.
 - [Sapphire Notes](https://github.com/davidtimovski/sapphire-notes) - A cross-platform desktop application for managing notes.
+- [SnapX](https://github.com/SnapXL/SnapX) - A cross-platform productivity tool that can upload images, video, text, and files in general.
 - [Team Sketch](https://github.com/davidtimovski/team-sketch) - A cross-platform desktop application for collaborative drawing.
 - [TwincatToolbox](https://github.com/randolfly/TwincatToolbox) - A toolbox for developing TwinCAT3 programs which helps user to log and plot the specified symbols with predefined frequency.