add licence to as/json
add licence to as/json

bunnyblue/tchannel,savaki/tchannel,RyanTech/tchannel,benfleis/tchannel,Zirpon/tchannel,bunnyblue/tchannel,vanloswang/tchannel,sasa233/tchannel,vanloswang/tchannel,Zirpon/tchannel,chenwenbin928/tchannel,savaki/tchannel,i/tchannel,RyanTech/tchannel,chenwenbin928/tchannel,savaki/tchannel,i/tchannel,hustxiaoc/tchannel,benfleis/tchannel,benfleis/tchannel,bunnyblue/tchannel,i/tchannel,hustxiaoc/tchannel,sasa233/tchannel,sasa233/tchannel,RyanTech/tchannel,vanloswang/tchannel,chenwenbin928/tchannel,hustxiaoc/tchannel,Zirpon/tchannel