Added Minitest to Ruby node #389

README.md

@@ -31,7 +31,7 @@ If you think that these can be improved in anyway, please do suggest.
 
 For the backend, personally I would prefer Node.js and PHP 7 for the full time. Plus, I have been experimenting lately with Go and I quite like it. Apart from these, if I have to choose another one, I would go for Ruby. However this is just my personal preference, you can choose any of the shown languages and you will be good.
 
-![](https://i.imgur.com/Ihg4YAb.png)
+![](https://i.imgur.com/3RmkKgf.png)
 
 ## 👷 DevOps Roadmap
 
@@ -50,7 +50,7 @@ If you think any of the roadmaps can be improved, please do open a PR with any u
 
 ## 👬 Contribution
 
-The roadmaps are built using [Balsamiq](https://balsamiq.com/products/mockups/). Project file can be found at `/project-files` directory. To modify any of the roadmaps, open Balsamiq, click **Project > Import > Mockup JSON**, it will open the roadmap for you, update it, upload and update the images in readme and create a PR.		
+The roadmaps are built using [Balsamiq](https://balsamiq.com/products/mockups/). Project file can be found at `/project-files` directory. To modify any of the roadmaps, open Balsamiq, click **Project > Import > Mockup JSON**, it will open the roadmap for you, update it, upload and update the images in readme and create a PR.
 
 - Open pull request with improvements
 - Discuss ideas in issues