insert an image in md file code example
Example 1: add image to readme
![alt text](http://url/to/img.png)
Example 2: README.md image
If you want to embed images, this is how you do it:
![Image of Yaktocat](https://octodex.github.com/images/yaktocat.png)
Example 3: add image to readme
![alt text](https://github.com/[username]/[reponame]/blob/[branch]/image.jpg?raw=true)