changes for v3 (#12)

Author: ReimarBauer

docs/02_installation.md

@@ -31,18 +31,17 @@ uses various automated continuous integration build processes.
 Please add the channel conda-forge to your defaults:
 
     $ conda config --add channels conda-forge
-    $ conda config --add channels defaults
+
 
 The last channel added gets on top of the list. This gives the order:
-First search in default packages then in conda-forge.
+First search in conda-forge.
 
 You must install mss into a new environment to ensure the most recent
 versions for dependencies (On the Anaconda Prompt on Windows, you have
 to leave out the 'source' here and below). :
 
-    $ conda create -n mssenv python=3
+    $ conda create -n mssenv mamba
     $ conda activate mssenv
-    (mssenv) $ conda install mamba
     (mssenv) $ mamba install mss
 
 Afterwards reactivate the environment, this sets all env variables needed.
@@ -72,7 +71,7 @@ The configuration is described in the section
 ### mswms server
 To try out the setup you can use demo data. Read about a [server based installation](https://mss.readthedocs.io/en/stable/deployment.html). 
 
-    (mssenv) $ mswms_demodata --create
+    (mssenv) $ mswms_demodata --seed
     (mssenv) $ mswms
 
 This data is then available on localhost:8081.

docs/_posts/2021-04-16_multilayer_support.md

@@ -0,0 +1,17 @@
+---
+layout: post
+title:  "Multilayer support"
+date:   2021-04-30 15:25:30 +0100
+categories: MSS testing docker
+---
+
+We released version 3.0.0
+
+New Features: multilayer support, selectable priority for displaying. 
+Multilayer are searchable and filterable. Layer parameters can be synchronized. 
+Used styles persistently stored. The selection of layers is supported by favourization.
+
+
+> ![image](/assets/multilayer.png)
+
+The image shows the selction of two layers.