feat: add post layout (wip)

src/_data/colors.js

@@ -19,7 +19,18 @@ const colors = {
   carotte: {
     400: "#ed5215",
   },
-  neutrals: {
+  neutral: {
+    50: "#fafafa",
+    100: "#f5f5f5",
+    200: "#e5e5e5",
+    300: "#d4d4d4",
+    400: "#a3a3a3",
+    500: "#737373",
+    600: "#525252",
+    700: "#404040",
+    800: "#262626",
+    900: "#171717",
+    950: "#0a0a0a",
     white: "#ffffff",
     black: "#000000",
   },