Update installation documentation

README.md

@@ -10,10 +10,53 @@ The basic knowledge about TYPO3 and Composer is necessary for the installation.
 ### Composer Commands
 
 ```
-composer config repositories.slub-web-bison git https://git.slub-dresden.de/typo3/sitepackages/slub-web-bison.git
-composer require slub/slub-web-bison
+composer config repositories.slub-web-bison git [https://git.slub-dresden.de/typo3/extensions/slub-bison.git](https://git.slub-dresden.de/typo3/extensions/slub-bison.git)
+
+composer require slub/bison
 ```
 
+## Backend Configuration
+
+There are 5 sections in the backend extension settings:
+- Display
+- File
+- License
+- Contact
+- System
+
+### Display Settings
+![Display Settings](Documentation/bison-configuration1.png)
+
+There are 3 sections in this tab:
+- display mismatched results - true or false
+- display mirror journals  - true or false
+- maximal APC - integer, 0 means no limit is set up
+
+### File Settings
+![File Settings](Documentation/bison-configuration2.png)
+
+There are 3 sections in this tab:
+- path to the file with local prices - string
+- path to the file with index databases - string
+- path to the file with mirror journals - string
+
+### License Settings
+![License Settings](Documentation/bison-configuration3.png)
+
+There is only one section in this tab. It is possible to choose there for which licenses results should be displayed.
+
+### Contact Settings
+![Contact Settings](Documentation/bison-configuration4.png)
+
+There are 3 sections in this tab:
+- name of the contact person - string
+- email of the contact person - string
+- URL of the contact person - string
+### System Settings
+![System Settings](Documentation/bison-configuration5.png)
+
+There is only one section in this tab. It is possible to define there User Agent for HTTP requests.
+
 ## Files
 
 Allowed file types:
@@ -22,7 +65,7 @@ Allowed file types:
 
 ### Index Databases
 
-CSV containig list of journals with information in which index databases they are available.
+CSV containing list of journals with information in which index databases they are available.
 
 #### Columns