Leading space is for preformated text and is mostly useful for code. For everything else, don't add leading space. Do add extra line breaks, though.
Here are your links with extra line breaks and without leading space, thus nicely presented and clickable.
[0] https://medium.com/@rusanu/why-i-have-high-hopes-for-the-qua...
[1] http://rusanu.com/2009/05/15/version-control-and-your-databa...