chore(doc): Updated README with dev instructions
chore(doc): Updated README with dev instructions

ScottLogic/d3fc,d3fc/d3fc,d3fc/d3fc,d3fc/d3fc,jleft/d3-financial-components,ColinEberhardt/d3fc,jleft/d3-financial-components,d3fc/d3fc,ScottLogic/d3fc,ColinEberhardt/d3fc,ScottLogic/d3fc,jleft/d3-financial-components,ColinEberhardt/d3fc