add build instructions, dependencies and contributors to readme

README.md

@@ -1,2 +1,24 @@
-# ciip-gruppe8-password-manager
+# ciip-grp8-password-manager
 
+## Dependencies
+- productive
+    - java 11
+- development
+    - java 11
+    - maven
+
+## Build jar file artifact
+- requires development dependencies
+
+`mvn package`
+
+## Run jar file artifact
+- requires productive dependencies
+- requires a built jar file to run
+
+`java -jar target/ciip-grp8-password-manager-1.0-SNAPSHOT.jar`
+
+## Contributors
+- binsky - Timo Triebensky
+- fdai6352 - Pascal Schubert
+- Claud11 - Claudia Metzler