fix(theme/colors): fix syntax

Author: TylerAPfledderer

src/@chakra-ui/gatsby-plugin/foundations/colors.ts

@@ -3,7 +3,7 @@ export type Colors = typeof colors
 const colors = {
   gray: {
     100: "#f7f7f7",
-    200: "e7e7e7",
+    200: "#e7e7e7",
     300: "#d4d4d4",
     400: "#b0b0b0",
     500: "#646464",