correct the mime type to x-protobuf
correct the mime type to x-protobuf

helight/helight_code,sosedoff/gin,helight/helight_code,gin-gonic/gin,helight/helight_code,jithinjk/gin,helight/helight_code,thinkerou/gin,helight/helight_code,RomanMinkin/gin,helight/helight_code,helight/helight_code,jithinjk/gin,helight/helight_code,helight/helight_code