New Assessment Creation

Feature Merge Request

Related Issue

resolves #252 (closed)

Description of Feature

As described in #252 (closed) , I implemented a concept board and the concept creation as its header:

implemented flow for notification after assessment creation:

• setp3, user clicks on 'next'
• MetaMask opens, still step 3
• when receive txHash, move to step4
• when receive confirmation, display successful notificationbar
• when error, display negative notificationBar

resolves #257 (closed)

Also includes tachyon/flexbox implementation

Also includes new svgs for arrows and crosses

resolves #269 (closed)

Also resolves #262 (closed) - set sensible time values

Motivation and Context

as part of the new user story designed by @alex in https://www.figma.com/file/Cnub4hvjBbf0OBhNAKntLjkG/Fathom-App?node-id=313%3A293

What's Next?

tackle #257 (closed)

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