Merge branch '77-add-release-notes-for-1-6-1' into 'master'

Resolve "Add release notes for 1.6.1"

Closes #77

See merge request !13

docs/release-notes/1.6.1.md

+# 1.6.1
+
+## General
+
+[nmaas 1.6.1](https://gitlab.software.geant.org/nmaas/nmaas-platform/-/releases/v1.6.1) is a minor update containing foremost a fix in the nmaas Janitor component along with a set of UI enhancements and new option for application instance deployment customization.
+
+### New Deployment Variables for Applications
+
+Additional global deployment variables were added and can be used by application managers to configure automatic outbound email configuration for instances of a particular application. These variables are:
+
+- `SMTP_HOSTNAME_WITH_PORT` = this is a new variable that is a concatenation of the existing `{{ SMTP_HOSTNAME }}:{{ SMTP_PORT }}`variables.
+- `SMTP_FROM_DEFAULT_DOMAIN` = the default domain for sending emails, e.g. `example.com` 
+
+It is now also possible to specify the PostgreSQL port, in case an external instance is being used, by setting the `POSTGRESQL_PORT` env variable (`.platform.properties.postgresql.port`).
+
+### Portal enhancements
+
+Some enhancements to the UI were identified after the v1.6.0 release mostly focused on user experience and data presentation. 
\ No newline at end of file

mkdocs.yml

@@ -73,7 +73,8 @@ nav:
     - nmaas-101 - "I can help! But... Please could you open these two doors?": 'blog/blog2/nmaas-101-2.md'
     - nmaas-101 - "My name is Oxidized and I'm a nifty configuration management tool": 'blog/blog3/nmaas-101-3.md'
     - nmaas-101 - "Prometheus" : 'blog/blog4/nmaas-101-4.md'
-  - Release Notes: 
+  - Release Notes:
+    - '1.6.1': 'release-notes/1.6.1.md'
     - '1.6.0': 'release-notes/1.6.0.md' 
     - '1.5.4': 'release-notes/1.5.4.md' 
   - nmaas Presentations: 'nmaas-presentations.md'