Design pass (#8)

* first stab at bullet points
* setup theming, custom opacities, use of brand UI colors
* color key change
* delete brand
* setup initial defaults
* Add opacity parameter to primary color
* style TOC
* styling pass header, footer, hints, toc, trademark
* table pass
* style pass, typo, quote, tabs, search, theme, toc

types/tailwind-shades.d.ts

@@ -1,16 +1,7 @@
 declare module 'tailwind-shades' {
-    export type Shade = {
-        50: string;
-        100: string;
-        200: string;
-        300: string;
-        400: string;
-        500: string;
-        600: string;
-        700: string;
-        800: string;
-        900: string;
-    };
+    import { shades } from '../tailwind.config';
+
+    export type Shade = Record<(typeof shades)[number], string>;
 
     function shadesOf(color: string): Shade;