Update contribution guidelines

Author: realstoman

CONTRIBUTING.md

@@ -8,15 +8,12 @@ Please note that this project is released with a [Code of Conduct](https://githu
 
 ### Fork this repo
 
-```
-Visit: https://github.com/realstoman/vuejs-tailwindcss-portfolio.git
-```
+[https://github.com/realstoman/vuejs-tailwindcss-portfolio](https://github.com/realstoman/vuejs-tailwindcss-portfolio)
 
 ### Check the issues section if there are already issues and see if you can fix them
 
-```
-[https://github.com/realstoman/vuejs-tailwindcss-portfolio.git](https://github.com/realstoman/vuejs-tailwindcss-portfolio/issues)
-```
+
+[https://github.com/realstoman/vuejs-tailwindcss-portfolio/issues](https://github.com/realstoman/vuejs-tailwindcss-portfolio/issues)
 
 ### If the issue is new, add the code to the fork of the repository and then create a pull request