fix link to Scala Center announcement
fix link to Scala Center announcement
melrief/typelevel.github.com,melrief/typelevel.github.com,typelevel/typelevel.github.com,melrief/typelevel.github.com,melrief/typelevel.github.com,typelevel/typelevel.github.com,typelevel/typelevel.github.com