feat(omi-kbone): support less

packages/omi-kbone/package.json

@@ -9,6 +9,7 @@
     "mp"
   ],
   "scripts": {
+    "mp": "npm run start",
     "start": "cross-env NODE_ENV=production webpack --config scripts/webpack.mp.config.js --watch --progress --hide-modules",
     "web": "node scripts/start.js",
     "build": "PUBLIC_URL=. node scripts/build.js",

packages/omi-kbone/scripts/webpack.mp.config.js

@@ -75,14 +75,22 @@ module.exports = {
                     'css-loader'
                 ],
             },
+            {
+              test: /\.less$/,
+              use: [
+                  MiniCssExtractPlugin.loader,
+                  'css-loader',
+                  'less-loader'
+              ],
+            },
             {
                 test: /\.[t|j]sx?$/,
                 loader: 'babel-loader',
                 exclude: /node_modules/,
                 options: {
-                    plugins : [ 
-                        ["transform-react-jsx", { "pragma":"h" }] 
-                    ] 
+                    plugins : [
+                        ["transform-react-jsx", { "pragma":"h" }]
+                    ]
                 }
             },
             {