Merge pull request #540 from kurodaakira-jp/master

验证手机是否注册、验证用户名是否注册

module/activate_init_profile.js

+// 检测是否注册
+
+module.exports = (query, request) => {
+  const data = {
+    nickname: query.nickname
+  };
+  return request(
+    "POST",
+    `http://music.163.com/eapi/activate/initProfile`,
+    data,
+    {
+      crypto: "eapi",
+      cookie: query.cookie,
+      proxy: query.proxy,
+      url: '/api/activate/initProfile'
+    }
+  );
+};

module/cellphone_existence_check.js

+// 检测是否注册
+
+module.exports = (query, request) => {
+  const data = {
+    cellphone: query.cellphone
+  };
+  return request(
+    "POST",
+    `http://music.163.com/eapi/cellphone/existence/check`,
+    data,
+    {
+      crypto: "eapi",
+      cookie: query.cookie,
+      proxy: query.proxy,
+      url: '/api/cellphone/existence/check'
+    }
+  );
+};