docs(contributing): define semantic commit message rules (#1233)
docs(contributing): define semantic commit message rules (#1233)

Semantic commit messages drastically simplify preparation of releases.

puppeteer/puppeteer,puppeteer/puppeteer,brutalcrozt/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer,brutalcrozt/puppeteer,GoogleChrome/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer