Update README.md

README.md

 # Salamander Identification Application - mobile application
 
-## [LEGG INN SALAMANDER IKONET HER!!!!!!!]
+<p align="center">
+    <img src="images/Salamander_logocircle.png" alt="salamander" width="300"/>
+</p>
+
+## Contents
+
+Group:
+
+- [Introduction](#introduction)
+- [Development Environment](#development-environment)
+- [System](#system)
+- [Build](#build)
 
 ## Introduction
 
@@ -32,7 +43,9 @@ In this section, we will go through the framework and libraries used, as well as
 
 The application is currently a thin client, and relies on the server to get data. The image below shows a visualization of the system architecture. 
 
-[Legg inn bile av server/client]
+<p align="center">
+    <img src="images/architecture.png" alt="architecture" width="300"/>
+</p>
 
 ### Framework and Libraries