add flag API to companies

package.json

 {
   "name": "clearbit",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "Client for Clearbit.co business intelligence APIs",
   "main": "./src",
   "scripts": {

src/company.js

@@ -9,4 +9,13 @@ module.exports = resource.create('Company', {
 })
 .on('preFind', function (options) {
   assert(options.domain, 'A domain must be provided');
+}).include({
+  flag: function(params, options){
+    return this.client.request(_.extend({
+      api: this._options.api,
+      method: 'post',
+      path: _.template('/people/<%= id %>/flag', this),
+      query: params || {}
+    }, options));
+  }
 });