add config

.gitignore

@@ -0,0 +1,2 @@
+lib/
+config.yml

config.example.yml

@@ -0,0 +1,3 @@
+---
+sms.ru:
+  api_id: F1FC9A76-1408-E4CF-1F89-E7CC756762B6

src/modules/sms_ru.cr

@@ -1,6 +1,10 @@
+require "yaml"
 require "http/client"
 
+CONFIG = File.open("./config.yml") { |file| YAML.parse(file) }
+CONFIG.class
+
 get "/api/v1.0/smsru_status" do
-  response = HTTP::Client.get "https://sms.ru/my/free?api_id=F1FC9A76-1408-E4CF-1F89-E7CC756762B6&json=1"
+  response = HTTP::Client.get "https://sms.ru/my/free?api_id=#{CONFIG["sms.ru"]["api_id"]}&json=1"
   response.body
 end