Add script to update dojo stats

Author: yasulab

_data/stats.yml

@@ -0,0 +1,2 @@
+---
+active_dojos: 180

update_profile.rb

@@ -0,0 +1,13 @@
+#!/usr/bin/env ruby
+
+require 'net/http'
+require 'json'
+require 'yaml'
+
+BASE_URL   = 'https://coderdojo.jp'
+DOJO_STATS = JSON.parse Net::HTTP.get(URI.parse "#{BASE_URL}/stats.json"), symbolize_names: true
+STATS_PATH = '_data/stats.yml'
+
+stats   = YAML.load_file(STATS_PATH)
+stats['active_dojos'] = DOJO_STATS[:active_dojos]
+YAML.dump stats, File.open(STATS_PATH, 'w')