Fix math import (#20)

* Fix math import

* Add changelog entry

Author: JordanMartinez

CHANGELOG.md

@@ -12,6 +12,7 @@ New features:
 Bugfixes:
 
 Other improvements:
+- Update `Math` import to use `Data.Number` (#20 by @JordanMartinez)
 
 ## [v3.0.0](https://github.com/purescript-web/purescript-web-file/releases/tag/v3.0.0) - 2021-02-26
 

src/Web/File/Blob.purs

@@ -16,7 +16,7 @@ module Web.File.Blob
 import Data.Int (toNumber)
 import Data.Maybe (Maybe(..))
 import Data.MediaType (MediaType(..))
-import Math (round)
+import Data.Number (round)
 import Prelude ((==), (>>>))
 import Unsafe.Coerce (unsafeCoerce)