Prerequisites

ํŒŒ์ด์–ดํญ์Šค 45 ์ดํ›„ ๋ฒ„์ ผ๋งŒ ์žˆ์œผ๋ฉด ๋ฉ๋‹ˆ๋‹ค. 
์‹œ์ž‘ํ•˜๋ ค๋ฉด Your first WebExtension ์„ ๋ณด์„ธ์š”.