update docs

docs/50_⌨️_Usage.md

+## Use docker init script
+
+### Interactive mode
+
+If you simply start the init.sh then you get an interactive mode.
+There is a menu offerning a key and the description for its action. If an action is finished you get the menu again.
+
+![Main menu](images/main_menu.png)
+
+### Command line parameters
+
+The script supports command line parameters to use it in scripts. Use `-h` to get a help:
+
+```txt
+INITIALIZER FOR DOCKER APP v1.9
+
+A helper script written in Bash to bring up a PHP+Mysql application in docker.
+
+Source : https://git-repo.iml.unibe.ch/iml-open-source/docker-php-starterkit
+Docs   : https://os-docs.iml.unibe.ch/docker-php-starterkit/
+License: GNU GPL 3.0
+(c) Institute for Medical Education; University of Bern
+
+
+SYNTAX:
+  init.sh [-h|-v]
+  init.sh [menu key]
+
+OPTIONS:
+  -h   show this help and exit
+  -v   show version exit
+
+MENU KEYS:
+  In the interactive menu are some keys to init an action.
+  The same keys can be put as parameter to start this action.
+  You can add multiples keys to apply multiple actions.
+
+   g  - remove git data of starterkit
+
+   i  - init application: set permissions
+   t  - generate files from templates
+   T  - remove generated files
+
+   u  - startup containers    docker-compose ... up -d
+   U  - startup containers    docker-compose ... up -d --build
+   s  - shutdown containers   docker-compose stop
+   r  - remove containers     docker-compose rm -f
+
+   m  - more infos
+   o  - open app [my_new_app] http://localhost:8001/
+   c  - console (bash)
+
+   q  - quit
+
+EXAMPLES:
+
+  init.sh           starts interactive mode
+  init.sh u         bring up docker container(s) and stay in interactive mode
+  init.sh i q       set write permissions and quit
+
+```
\ No newline at end of file

docs/_index.md

@@ -14,9 +14,3 @@ Free software and Open Source from University of Bern :: IML - Institute of Medi
 📄 Source: <https://git-repo.iml.unibe.ch/iml-open-source/docker-php-starterkit> \
 📜 License: GNU GPL 3.0 \
 📖 Docs: <https://os-docs.iml.unibe.ch/docker-php-starterkit/>
-
-- - -
-
-## Screenshot ##
-
-![Main menu](images/main_menu.png)