Merge pull request #1 from erjanmx/fix-readme-typo

Fix readme typo

Author: nb312

README.md

@@ -1,5 +1,5 @@
 
-## Just for learnning
+## Just for learning
 ### :heart: Star :heart: the repo to support the project or :smile:[Follow Me](https://github.com/nb312).Thanks!
 ### This project contains contents are following:  
 Scrollview |  Sliver | common layout | Other |