doc: update demo links

Author: javadbat

README.md

@@ -36,9 +36,9 @@ web component date input (picker) to get date (jalali & gregorian) from user.
 
 Demo & Sample:    
 
-[github pages](https://javadbat.github.io/jb-date-input/)
-[codepen](https://codepen.io/javadbat/pen/qBRyYKY)
-[storybook](https://javadbat.github.io/design-system/?path=/docs/components-form-elements-inputs-jbdateinput)
+- [github pages](https://javadbat.github.io/jb-date-input/)
+- [codepen](https://codepen.io/javadbat/pen/qBRyYKY)
+- [storybook](https://javadbat.github.io/design-system/?path=/docs/components-form-elements-inputs-jbdateinput)
 
 ## using with JS frameworks