#BAEL-17526 add README descriptions (#7959)

osgi/README.md

@@ -1,5 +1,9 @@
-OSGi
-====
+## OSGi
+
+This module contains articles about OSGi.
+
+### Relevant articles:
+ - [Introduction to OSGi](https://www.baeldung.com/osgi)
 
 Info
 ---
@@ -86,9 +90,5 @@ org.eclipse.osgi_3.12.1.v20170821-1548.jar
 
  = = NOT GOOD = = 
 
- ## Relevant articles:
- - [Introduction to OSGi](https://www.baeldung.com/osgi)
- 
-
 
 

patterns/README.md

@@ -0,0 +1,3 @@
+## Patterns
+
+This module contains articles about design patterns.

pdf/README.md

@@ -1,3 +1,7 @@
+## PDF
+
+This module contains articles about PDF files.
+
 ### Relevant Articles:
 - [PDF Conversions in Java](https://www.baeldung.com/pdf-conversions-java)
 - [Creating PDF Files in Java](https://www.baeldung.com/java-pdf-creation)

performance-tests/README.md

@@ -1,3 +1,7 @@
+## Performance Tests
+
+This module contains articles about performance testing.
+
 ### Relevant Articles: 
 
 - [Performance of Java Mapping Frameworks](https://www.baeldung.com/java-performance-mapping-frameworks)

persistence-modules/README.md

@@ -0,0 +1,3 @@
+## Persistence Modules
+
+This module contains articles about persistence. Actual articles go into its submodules. 

play-framework/README.md

@@ -1,4 +1,8 @@
-###Relevant Articles:
+## Play Framework
+
+This module contains articles about the Play Framework.
+
+### Relevant Articles:
 - [REST API with Play Framework in Java](https://www.baeldung.com/rest-api-with-play)
 - [Routing In Play Applications in Java](https://www.baeldung.com/routing-in-play)
 - [Introduction To Play In Java](https://www.baeldung.com/java-intro-to-the-play-framework)

protobuffer/README.md

@@ -1,3 +1,7 @@
+## Google Protocol Buffer
+
+This module contains articles about Google Protocol Buffer.
+
 ### Relevant articles
 
 - [Introduction to Google Protocol Buffer](https://www.baeldung.com/google-protocol-buffer)

rabbitmq/README.md

@@ -1,3 +1,7 @@
+## RabbitMQ
+
+This module contains articles about RabbitMQ.
+
 ### Relevant articles
 - [Introduction to RabbitMQ](https://www.baeldung.com/rabbitmq)
 

raml/README.MD

@@ -1,2 +1,3 @@
-###The Course
-The "REST With Spring" Classes: https://bit.ly/restwithspring
+## RAML
+
+This module contains articles about the RESTful API Modeling Language (RAML).

ratpack/README.md

@@ -1,3 +1,7 @@
+## Ratpack
+
+This module contains articles about Ratpack.
+
 ### Relevant articles
 
 - [Introduction to Ratpack](https://www.baeldung.com/ratpack)