docs: add more details for user management (#490)

Explain:
- adding a user
- show what the `demouser` is allowed to do
- enable new command for demouser

docker/README.md

@@ -22,6 +22,31 @@ curl http://127.0.0.1:8088/api/v3/version
 
 On startup, some GRASS GIS locations are created by default but they are still empty. How to get some geodata to start processing, see in [Testing GRASS GIS inside a container](#grass-gis) below.
 
+## Adding a user
+
+Adding the standard demouser:
+
+```
+actinia-user create -u demouser -g user -w "gu3st!pa55w0rd" -r user
+```
+
+Show what the demouser is allowed to do:
+
+```
+curl http://127.0.0.1:8088/api/v3/users/demouser
+```
+
+Enable new command for demouser: You first need to enter the running docker image, then `update_add` the command:
+
+```
+docker ps
+
+# use ID of running actinia docker image (example)
+docker exec -it 9cf4b370b220 sh
+
+actinia-user update_add -u demouser -m r.import
+```
+
 <a id="latest-grass-gis"></a>
 
 ## Installation with most recent GRASS GIS version
@@ -85,8 +110,13 @@ python3 setup.py install
 sh /src/start.sh
 ```
 
-Now you have a running actinia instance locally.
-For debugging or if you need to start the wsgi server regularly during development, you don't need to repeat all steps from inside the start.sh file. Instead, run the server with only one worker:
+Now you have a running actinia instance locally! Check with
+
+```
+curl http://127.0.0.1:8088/api/v3/version
+```
+
+For debugging or if you need to start the wsgi server regularly during development, you don't need to repeat all steps from inside the `start.sh` file. Instead, run the server with only one worker:
 
 ```
 python3 setup.py install
@@ -156,6 +186,8 @@ grass /actinia_core/grassdb/nc_spm_08/PERMANENT --exec v.random output=myrandom
 grass /actinia_core/grassdb/nc_spm_08/PERMANENT --exec v.info -g myrandom
 ```
 
+# Testing GRASS GIS through actinia's REST API
+
 You now have some data which you can access through actinia. To get information
 via API, start actinia with gunicorn and run
 

docs/docs/index.md

@@ -1,5 +1,13 @@
 # Actinia - The GRASS GIS REST API
 
+<!-- **** Begin Fork-Me-On-Gitlab-Ribbon-HTML. See MIT License at https://gitlab.com/seanwasere/fork-me-on-gitlab **** -->
+<a href="https://github.com/actinia-org/actinia-core/tree/main/docs/docs">
+    <span id="fork-me" style="font-family: tahoma; font-size: 18px; position:fixed; top:50px; right:-45px; display:block; -webkit-transform: rotate(45deg); -moz-transform: rotate(45deg); color:white; padding: 4px 30px 4px 30px; z-index:99; opacity:0.6">Fork Me On GitHub</span>
+</a>
+<!-- **** End Fork-Me-On-Gitlab-Ribbon-HTML **** -->
+
+<!-- URL of this document: [https://actinia-org.github.io/actinia-core](https://actinia-org.github.io/actinia-core) -->
+
 **Actinia** is an open source REST API for scalable, distributed, high
 performance processing of geographical data that uses GRASS GIS for
 computational tasks.