CONTRIBUTING.md

• Use 3 spaces for indentation when writing a HTML file!
• If images don't fit correctly within the body element of the article, hardcode the width and height parameters of <img> HTML tag accordingly!
• Every article must come with a "table of contents" at the top of the article. First Time Git Setup is an example of how a HTML document article should look like.
• Provide external sources of other articles or links in case you've found other useful resources that relate to the tutorial article you're writing!