* Spearhead Blocks refactored Initial Commit
Refactored commit of Spearhead Blocks, now being a clone of Block Canvas, instead of child of Blockbase
* Review updates
- removal of ref id from header template
- dark mode editor style added
- unused tertiary color removed from the palette
- screenshot added
* Fixes to Theme.json and Footer Template
This commit fixes the issues mentioned in the PR
- Footer template now has the site title in it
- Block spacing and font weight fixes
