Adds .jpg extension to assets matcher
Adds .jpg extension to assets matcher

Previously only `.jpeg` was matched.
gauravtiwari/webpacker,usertesting/webpacker,usertesting/webpacker,usertesting/webpacker,Davidzhu001/webpacker,rails/webpacker,rails/webpacker,Davidzhu001/webpacker,gauravtiwari/webpacker,rossta/webpacker,rossta/webpacker,gauravtiwari/webpacker,rossta/webpacker,rossta/webpacker,Davidzhu001/webpacker