add the results of two small models

Author: sunke123

README.md

@@ -16,6 +16,8 @@ HRNetV2 ImageNet pretrained models are now available!
 
 | model |#Params | GFLOPs |top-1 error| top-5 error| Link |
 | :--: | :--: | :--: | :--: | :--: | :--: |
+| HRNet-W18-C-Small-v1 | 13.2M | 1.49 | 27.7% | 9.3% |[OneDrive](https://1drv.ms/u/s!Aus8VCZ_C_33gRv2PI1vjJyn2g7G?e=i8Rdzx)/[BaiduYun(Access Code:v3sw)(https://pan.baidu.com/s/1snP_gTz50pJp2g07anVIEA)]
+| HRNet-W18-C-Small-v2 | 15.6M | 2.42 | 24.9% | 7.6% |[OneDrive](https://1drv.ms/u/s!Aus8VCZ_C_33gRmfdPR79WBS61Qn?e=HVZUi8)/[BaiduYun(Access Code:bnc9)(https://pan.baidu.com/s/1tbL45sOS4mXNGgyS4YCQww)]
 | HRNet-W18-C | 21.3M | 3.99 | 23.2% | 6.6% |[OneDrive](https://1drv.ms/u/s!Aus8VCZ_C_33cMkPimlmClRvmpw)/[BaiduYun(Access Code:r5xn)](https://pan.baidu.com/s/1Px_g1E2BLVRkKC5t-b-R5Q)|
 | HRNet-W30-C | 37.7M | 7.55 | 21.8% | 5.8% |[OneDrive](https://1drv.ms/u/s!Aus8VCZ_C_33cQoACCEfrzcSaVI)/[BaiduYun(Access Code:ajc1)](https://pan.baidu.com/s/1yEz7hKaJT-H7eHLteAotbQ)|
 | HRNet-W32-C | 41.2M | 8.31 | 21.5% | 5.8% |[OneDrive](https://1drv.ms/u/s!Aus8VCZ_C_33dYBMemi9xOUFR0w)/[BaiduYun(Access Code:itc1)](https://pan.baidu.com/s/1xn92PSCg5KtXkKcnnLOycw)||