Translate LearnNearClub article about Ref v2 into Vietnamese

I’ve just finished translating LearnNear.club article about Ref Finance v2 into Vietnamse.
Here is my translation: Tại sao Ref v2 tốt hơn Uniswap v3 - Google Docs

The original article: Why Ref v2 is Better than Uni v3 - Learn NEAR Club (1459 words)

Estimate: 42 $NEAR (current NEAR price: $1.33)

This translation will be reviewed by @cuongdcdev