1.4.1-1.5.0 Design System Improvements

[dstrukt]

Will be updating, need to scrub through all of my notes, and potential categorize these.

cc @dennisreimann

• Add Drop-Shadow to Input & Select Forms #9
• Multiple Border-Radius Support #10
• Improve list-group Component #11
• Implement bold header font weight #12
• Adjust btcpay-pill top/bottom padding to 0.5rem & left/right to 1.5rem #13
• Improve Dark Mode Input Form Styling #15
• Drop-Shadow Variation Support #14
• Improve Calendar Date Selector Component #16
• Improve Table View Component #17
• Improve text-only buttons hover state #18
• Adjust all typography line-heights #19
• Adjust toggle dropdown button #20
• Improve checkbox component #21
• Improve toggle switch #22
• Improve Alerts #23
• Add more custom spacer utility classes #24
• Swap (?) with better .svg asset  #32
• .p > .a should be semibold font-weight #33
• adding padding to the accordion inner elements
• Define the fully-rounded pill navigation component
• Adjust modal-dialogue padding top to 8rem? (more than current 1.75rem)
• Icon-only grey rounded border radius background on hover (will post examples)

[dennisreimann]

Let's handle these as separate issues (some of them grouped) on the design system repo.

[dstrukt]

Wasn't sure if it'd be easier to track here or there, noted.

Will move it over and close this one out later today!

[dstrukt]

Oh that's awesome, thank you @pavlenex!