first draft of LUMS-password howto card

external/lums-passwords/lums-passwords.md

+---
+layout: page
+permalink: /external/lums-passwords/
+---
+
+# LUMS account 
+
+
+## Changing password for LUMS accounts
+
+1. go to [lums1.uni.lu](https://lums1.uni.lu) and login with your LUMS credentials
+<img src="/external/img/lums_login.png" height="200px"></br>
+</br>
+1. in top-right corner click on your name and select **Change password**:
+<img src="/external/img/lums_home-settings.png" height="300px"></br>
+</br>
+1. enter your current password and your new password
+<img src="/external/img/lums_reset-password.png" height="300px">