create node, hash image and display working

nothing special

update to packages / dependancies
also minor tweak to about CSS

also tidied up experimental tests view for this build 

added

to help guide onboarding I added numbers to the nodes (connections will also double down on this)

Step one

removed logs

Need to check regards to starting offline but this will work if you go offline...

Updated so that the Sandbox view is now the default  starting view, which has more features

spotted some minor tweaks while chatting to Toby about code base.

added readmode to state, added icon for iOS home screen.