adding a temporary how-to index and the legend how to guide
adding the how-to legend guide
updating styling
updating the controller to use the latest structure
updated the styles and structure of the how to for legend
adding updated routes and dist to branch
Merge branch 'gh-pages-dev' of https://github.com/ScottLogic/insight into feature/how-to-legend
created chart section and folded relevent sub-sections into it
updated local changes up to latest branch
updated routes to match the structural change
updated routing to point to the correct controllers
adding the latest insight.js zip and minor changes from review
Merge pull request #278 from seanworkcode/feature/how-to-legend

Feature/how to legend - adding chart section, and style section, and data section