feat(palette): adding new values into grey palette (#68)

Author: vitalyozza

packages/design-tokens/web/properties/palette.json5

@@ -355,6 +355,8 @@
         },
         grey: {
             '0': { value: 'hsla(229, 15%, 0%, 100%)' },
+            '0-A0': { value: 'hsla(229, 15%, 0%, 0%)' },
+            '0-A8': { value: 'hsla(229, 15%, 0%, 8%)' },
             '1': { value: 'hsla(229, 15%, 1%, 100%)' },
             '2': { value: 'hsla(229, 15%, 2%, 100%)' },
             '3': { value: 'hsla(229, 15%, 3%, 100%)' },
@@ -478,6 +480,8 @@
             '99': { value: 'hsla(229, 15%, 99%, 100%)' },
             '"99-A88"': { value: 'hsla(229, 15%, 99%, 88%)' },
             '100': { value: 'hsla(229, 15%, 100%, 100%)' },
+            '"100-A0"': { value: 'hsla(229, 15%, 100%, 0%)' },
+            '"100-A8"': { value: 'hsla(229, 15%, 100%, 8%)' },
             '"100-A52"': { value: 'hsla(229, 15%, 100%, 52%)' },
             '"100-A72"': { value: 'hsla(229, 15%, 100%, 72%)' },
             '"100-A90"': { value: 'hsla(229, 15%, 100%, 90%)' },