Added deprecation notification on our factories

src/MessageFactory/DiactorosMessageFactory.php

@@ -11,6 +11,8 @@
  * Creates Diactoros messages.
  *
  * @author GeLo <geloen.eric@gmail.com>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Diactoros PSR-17 factory
  */
 final class DiactorosMessageFactory implements MessageFactory
 {

src/MessageFactory/GuzzleMessageFactory.php

@@ -10,6 +10,8 @@
  * Creates Guzzle messages.
  *
  * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Guzzle PSR-17 factory
  */
 final class GuzzleMessageFactory implements MessageFactory
 {

src/MessageFactory/SlimMessageFactory.php

@@ -13,6 +13,8 @@
  * Creates Slim 3 messages.
  *
  * @author Mika Tuupola <tuupola@appelsiini.net>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Slim PSR-17 factory
  */
 final class SlimMessageFactory implements MessageFactory
 {

src/StreamFactory/DiactorosStreamFactory.php

@@ -10,6 +10,8 @@
  * Creates Diactoros streams.
  *
  * @author Михаил Красильников <m.krasilnikov@yandex.ru>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Diactoros PSR-17 factory
  */
 final class DiactorosStreamFactory implements StreamFactory
 {

src/StreamFactory/GuzzleStreamFactory.php

@@ -8,6 +8,8 @@
  * Creates Guzzle streams.
  *
  * @author Михаил Красильников <m.krasilnikov@yandex.ru>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Guzzle PSR-17 factory
  */
 final class GuzzleStreamFactory implements StreamFactory
 {

src/StreamFactory/SlimStreamFactory.php

@@ -10,6 +10,8 @@
  * Creates Slim 3 streams.
  *
  * @author Mika Tuupola <tuupola@appelsiini.net>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Slim PSR-17 factory
  */
 final class SlimStreamFactory implements StreamFactory
 {

src/UriFactory/DiactorosUriFactory.php

@@ -10,6 +10,8 @@
  * Creates Diactoros URI.
  *
  * @author David de Boer <david@ddeboer.nl>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Diactoros PSR-17 factory
  */
 final class DiactorosUriFactory implements UriFactory
 {

src/UriFactory/GuzzleUriFactory.php

@@ -9,6 +9,8 @@
  * Creates Guzzle URI.
  *
  * @author David de Boer <david@ddeboer.nl>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Guzzle PSR-17 factory
  */
 final class GuzzleUriFactory implements UriFactory
 {

src/UriFactory/SlimUriFactory.php

@@ -10,6 +10,8 @@
  * Creates Slim 3 URI.
  *
  * @author Mika Tuupola <tuupola@appelsiini.net>
+ *
+ * @deprecated This will be removed in php-http/message2.0. Consider using the official Slim PSR-17 factory
  */
 final class SlimUriFactory implements UriFactory
 {