Vagrant: Update documentation

refs #4231

README.md

@@ -1,13 +1,10 @@
-Icinga 2 Web
-============
+# Icinga 2 Web
 
-Table of Contents
------------------
+## Table of Contents
 
 1. [Vagrant - Virtual development environment](#vagrant)
 
-Vagrant
--------
+### Vagrant
 
 The Icinga 2 Web project ships with a Vagrant virtual machine that integrates
 the source code with various services and example data in a controlled
@@ -15,4 +12,45 @@ environment. This enables developers and users to test Livestatus, status.dat,
 MySQL and PostgreSQL backends as well as the LDAP authentication. All you
 have to do is install Vagrant and run:
 
-     vagrant up
+    vagrant up
+
+After you should be able to browse [localhost:8080/icinga2-web](http://localhost:8080/icinga2-web).
+
+#### Environment 
+
+Forwarded ports:
+
+<table>
+    <tr>
+        <th>Proctocol</th>
+        <th>Local port (virtual machine host)</th>
+        <th>Remote port (the virtual machine)</th>
+    </tr>
+    <tr>
+        <td>SSH</td>
+        <td>2222</td>
+        <td>22</td>
+    </tr>
+    <tr>
+        <td>HTTP</td>
+        <td>8080</td>
+        <td>80</td>
+    </tr>
+</table>
+
+Installed packages:
+
+* Apache2 with PHP library
+* PHP with MySQL libray
+* MySQL server and client software
+* PostgreSQL server and client software
+
+Installed users and groups:
+
+* User icinga with group icinga and icinga-cmd
+* Webserver user added to group icinga-cmd
+
+Installed software:
+
+* Icinga with IDOUtils using a MySQL database
+* Icinga with IDOUtils using a PostgreSQL database