fix embed some files and add download link to README.md

Behavioral/ChainOfResponsibilities/index.rst

@@ -45,6 +45,18 @@ Request.php
    :language: php
    :linenos:
 
+Responsible/FastStorage.php
+
+.. literalinclude:: Responsible/FastStorage.php
+   :language: php
+   :linenos:
+
+Responsible/SlowStorage.php
+
+.. literalinclude:: Responsible/SlowStorage.php
+   :language: php
+   :linenos:
+
 Test
 ----
 

Behavioral/Mediator/index.rst

@@ -42,6 +42,24 @@ Colleague.php
    :language: php
    :linenos:
 
+Subsystem/Client.php
+
+.. literalinclude:: Subsystem/Client.php
+   :language: php
+   :linenos:
+
+Subsystem/Database.php
+
+.. literalinclude:: Subsystem/Database.php
+   :language: php
+   :linenos:
+
+Subsystem/Server.php
+
+.. literalinclude:: Subsystem/Server.php
+   :language: php
+   :linenos:
+
 Test
 ----