refactor(tailwind.config): extend theme configuration instread of config overwrite

tailwind.config.ts

 import type { Config } from 'tailwindcss';
-import colors from 'tailwindcss/colors';
 
 const config: Config = {
   content: [
@@ -8,8 +7,8 @@ const config: Config = {
     './app/**/*.{js,ts,jsx,tsx,mdx}'
   ],
   theme: {
+    extend: {
       colors: {
-      gray: colors.gray,
         primary: {
           DEFAULT: 'hsl(340, 76%, 47%)',
           light: 'hsl(340, 76%, 57%)',
@@ -22,12 +21,6 @@ const config: Config = {
         },
         light: '#f4f4f4',
         dark: '#222222'
-    },
-    extend: {
-      backgroundImage: {
-        'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
-        'gradient-conic':
-          'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))'
       }
     }
   },