Update CODEOWNERS for layer quantization path (#11818)

.github/CODEOWNERS

@@ -12,6 +12,7 @@
 /python/sglang/srt/eplb @fzyzcjy
 /python/sglang/srt/function_call @CatherineSue @JustinTong0323
 /python/sglang/srt/layers @merrymercy @Ying1123 @zhyncs @ispobock @HaiShaw @ch-wan @BBuf @kushanam @Edwardf0t1
+/python/sglang/srt/layers/quantization @ch-wan @BBuf @Edwardf0t1 @FlamingoPg
 /python/sglang/srt/layers/attention/ascend_backend.py @ping1jing2
 /python/sglang/srt/lora @Ying1123 @Fridge003 @lifuhuang
 /python/sglang/srt/managers @merrymercy @Ying1123 @hnyls2002 @xiezhq-hermann

.github/REVIEWERS.md

@@ -15,6 +15,7 @@ Here are some reviewers for common areas. You can ping them to review your code
 - flash attention backend @hebiao064
 - flashinfer attention backend @Fridge003
 - moe kernel @BBuf @fzyzcjy @ch-wan @Alcanderian
+- quantization @FlamingoPg @HandH1998
 
 ## Scheduler and memory pool
 - general @merrymercy @Ying1123 @hnyls2002 @xiezhq-hermann