Update README.md

Author: zhonghong322

README.md

@@ -126,6 +126,8 @@ Here is the device support list of main branch (v1.x) and v2-main branch (v2.x):
 
 | **products list** | **firmware version**        |
 | ----------------- | --------------------------- |
+| Gemini 330        | 1.2.20                      |
+| Gemini 330L       | 1.2.20                      |
 | Gemini 335        | 1.2.20                      |
 | Gemini 335L       | 1.2.20                      |
 | Gemini 336        | 1.2.20                      |