Readme update to include desc of platform recording pipelines

Added a note encouraging contributions to the project.

README.md

@@ -10,7 +10,7 @@
 </p>
 
 ### Create polished, pro-grade screen recordings.
-[Recordly](https://www.recordly.dev) is an **open-source screen recorder and editor** for creating **polished walkthroughs, demos, tutorials, and product videos**.
+[Recordly](https://www.recordly.dev) is an **open-source screen recorder and editor** for creating **polished walkthroughs, demos, tutorials, and product videos**. Contribution encouraged.
 
 <p align="center">
   <img src="./recordlydemo.gif" width="750" alt="Recordly demo video">
@@ -43,6 +43,7 @@ Windows and Linux currently use Electron's capture path, which means the OS curs
 - Record an entire screen or a single window
 - Jump straight from recording into the editor
 - Microphone or system audio recording
+- Chromium capture APIs on Windows/Linux
 - Native **ScreenCaptureKit** capture on macOS
 
 ### Smart Motion