feat: some stas

src/stitches.config.ts

@@ -1,5 +1,6 @@
 import {
   amberDark,
+  amberDarkA,
   blueDark,
   orangeDark,
   purpleDark,
@@ -20,6 +21,7 @@ export const theme = {
     ...createColors(slate, 'light'),
 
     ...createColors(amberDark, 'amber'),
+    ...createColors(amberDarkA, 'amberAlpha'),
     ...createColors(orangeDark, 'orange'),
     ...createColors(purpleDark, 'purple'),
     ...createColors(blueDark, 'blue'),