~bt/open-suck

Update screenshot
Update README
Use JetBrains Mono and replace terminus
Clean up README and dependencies files
Update core repo name in README file
Image needs to be relative to core URL
Try to link to direct screenshot for README
Include screenshot for reference
Update README, include aerc inside main dependencies, alter default browser to seamonkey
Still WIP but everything should work as intended
Minor README update
Initial installer scripts for early beta testing on metal