docs: Add pre-compiled binaries section to README.

README.md

@@ -2,6 +2,13 @@
 
 This is a Go port of the `av1_opus_encoder.py` script, designed to be compiled into a standalone executable.
 
+## Pre-compiled Binaries
+
+Pre-compiled binaries are available in the root directory:
+
+-   **Windows**: `av1-encoder.exe`
+-   **Linux**: `av1-encoder-linux` (ensure you run `chmod +x av1-encoder-linux` before executing)
+
 ## Prerequisites
 
 - **Go 1.21+**: Required to compile the code.