feat(web): 🎨 Unified color theme, AntV light/dark theme switching, Antd first-screen style loading. (#1020)

Co-authored-by: 黄振洪 <hzh01509324@alibaba-inc.com>
Co-authored-by: Aralhi <xiaoping0501@gmail.com>

web/tailwind.config.js

@@ -8,8 +8,17 @@ module.exports = {
       fontFamily: {
         sans: ['"Josefin Sans"', ...defaultTheme.fontFamily.sans],
       },
+      colors: {
+        theme: {
+          primary: '#0069fe',
+          light: '#f7f7f7',
+          dark: '#151622',
+          'dark-container': '#232734',
+        },
+      },
     },
   },
+  important: true,
   darkMode: 'class',
   /**
    * @see https://www.tailwindcss-animated.com/configurator.html