Add codecs supprted in README

Author: winlinvip

README.md

@@ -11,7 +11,8 @@
 [![](https://codecov.io/gh/ossrs/srs/graph/badge.svg?token=Zx2LhdtA39)](https://codecov.io/gh/ossrs/srs)
 
 SRS/7.0 ([Kai](https://ossrs.io/lts/en-us/product#release-70)) is a simple, high-efficiency, and real-time video server, 
-supporting RTMP/WebRTC/HLS/HTTP-FLV/SRT/MPEG-DASH/GB28181, Linux/macOS, X86_64/ARMv7/AARCH64/M1/RISCV/LOONGARCH/MIPS, 
+supporting RTMP/WebRTC/HLS/HTTP-FLV/SRT/MPEG-DASH/GB28181, Linux/macOS, X86_64/ARMv7/AARCH64/M1/RISCV/LOONGARCH/MIPS,
+with codec support for H.264, HEVC, AV1, VP9, AAC, Opus, and G.711, 
 and essential [features](trunk/doc/Features.md#features).
 
 [![SRS Overview](https://ossrs.net/wiki/images/SRS-SingleNode-4.0-sd.png?v=114)](https://ossrs.net/wiki/images/SRS-SingleNode-4.0-hd.png)