docs: Move changelog to the GitHub releases page (#34)

README.md

@@ -54,18 +54,4 @@ npm run build && npm test
 An rgba() string. (examples: `'rgba(11, 22, 33, 1)'`, `'rgba(11, 22, 33, 0.5)'`)
 
 ## Changelog
-**1.0.1**
-  - Use charAt() instead of startsWith() for the sake of IE11 (props [@eltonjuan](https://github.com/misund/hex-to-rgba/pull/9))
-
-**1.0.0**
-  - BREAKING CHANGE: Always return rgba(); even if the color is completely opaque
-  - Support 4-digit hexes
-  - Add typescript type declaration (props [@gillchristian](https://github.com/misund/hex-to-rgba/pull/5))
-
-**0.2.0**
-  - Support 8-digit hexes
-
-**0.1.0**
-  - Initial release
-  - Support 6-digit hexes
-  - Support 3-digit hexes
+See the [releases page on GitHub](https://github.com/misund/hex-to-rgba/releases).