add grunt for book build

Author: code4craft

.gitignore

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+node_modules
+.grunt

Gruntfile.js

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+var path = require("path");
+
+module.exports = function (grunt) {
+    grunt.loadNpmTasks('grunt-gitbook');
+    grunt.loadNpmTasks('grunt-gh-pages');
+    grunt.loadNpmTasks('grunt-contrib-clean');
+
+    grunt.initConfig({
+        'gitbook': {
+            development: {
+                output: path.join(__dirname, ".grunt/gitbook"),
+                input: "./",
+                title: "Netty-learning",
+                description: "",
+                github: "code4craft/netty-learning"
+            }
+        },
+        'gh-pages': {
+            options: {
+                base: '.grunt/gitbook'
+            },
+            src: ['**']
+        },
+        'clean': {
+            files: '.grunt'
+        }
+    });
+
+    grunt.registerTask('publish', [
+        'gitbook',
+        'gh-pages',
+        'clean'
+    ]);
+    grunt.registerTask('default', 'gitbook');
+};

package.json

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+{
+    "name": "Netty-learning",
+    "version": "0.0.5",
+    "description": "",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/code4craft/netty-learning"
+    },
+    "author": "Yihua.huang <[email protected]>",
+    "license": "Apache 2",
+    "dependencies": {},
+    "devDependencies": {
+        "grunt": "~0.4.1",
+        "grunt-gitbook": "0.1.2",
+        "grunt-gh-pages": "0.9.1",
+        "grunt-contrib-clean": "~0.5.0"
+    },
+    "peerDependencies": {
+        "grunt": "~0.4.1"
+    }
+}