update link

Author: le0pard

README.md

@@ -1,4 +1,4 @@
-# Работа с PostgreSQL: настройка и масштабирование [postgresql.leopard.in.ua](http://postgresql.leopard.in.ua/)
+# Работа с PostgreSQL: настройка и масштабирование [postgresql.leopard.in.ua](https://postgresql.leopard.in.ua/)
 
 ## Готовые pdf и html5
 
@@ -10,4 +10,4 @@
 
 ## License
 
-<a rel="license" href="http://creativecommons.org/licenses/by-nc/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc/4.0/">Creative Commons Attribution-NonCommercial 4.0 International License</a>.
+<a rel="license" href="//creativecommons.org/licenses/by-nc/4.0/"><img alt="Creative Commons License" style="border-width:0" src="//i.creativecommons.org/l/by-nc/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="//creativecommons.org/licenses/by-nc/4.0/">Creative Commons Attribution-NonCommercial 4.0 International License</a>.