feat: use bepaint

src/stitches.config.ts

@@ -0,0 +1,7 @@
+import { slateDark } from '@radix-ui/colors';
+import { createColors } from 'bepaint';
+
+// this isn't really a stitches config, but the object is compliant
+export const theme = {
+  colors: createColors(slateDark),
+};