Concretize project (Issue #3) (#4)

* Addition of technologies to README

README.md

@@ -44,9 +44,25 @@ The squashed merge commit name is a summary of the issues plus the issue ids plu
 Example pull request: ```Initial Setup (Issue #1, Issue #2, Issue #3)```
 Example squashed merge commit: ```Initial Setup (Closes #1, Closes #2, Closes #3) (PR #2)```
 
-# Technology and frameworks
-## PlantUML
-Website: [www.plantuml.com](www.plantuml.com)
+# Frameworks, libraries, standards
+## Eclipse Modelling Framework (EMF)
+The Eclipse Modeling Framework serves modeling and code generation. 
+From a model specification in XMI it produces an equivalent set of classes in Kotlin.
+Website: [https://www.eclipse.org/modeling/emf/](https://www.eclipse.org/modeling/emf/)
+
+## REST-assured
+The Rest-assured library simplifies the verification and validation of REST APIs. 
+As such, the test techniques of Rest-assured follow the test techniques of dynamic languages such as Ruby and Groovy. 
+The library offers all standardized HTTP operations.
+Website: [http://rest-assured.io](http://rest-assured.io)
 
 ## Cucumber
+The Cucumber tool tests the behavior of software. 
+The test case that tests this behavior is defined in natural language. 
+For this, Cucumber uses the plain language parser Gherkin.
 Website: [https://cucumber.io](https://cucumber.io)
+
+## XML Metadata Interchange (XMI)
+XML Metadata Interchange is an exchange format among software development tools. 
+For example, XML Metadata Interchange represents UML diagrams textually within the Eclipse Modeling Framework.
+Website: [https://www.omg.org/spec/XMI/About-XMI/](https://www.omg.org/spec/XMI/About-XMI/)