Add README.md

README.md

+# SLUB SIP Builder
+
+## Description
+A CLI tool to create a valid BagIt SIP for SLUBArchiv. 
+As a user, you have three options <copy> <move> or <replace> to create your SIP. 
+This options are based on payload files, which would be saved in data directory of your bag.
+NOTE: use option <copy> if you are not sure how to restore your payload files if something goes wrong!
+
+## Operating Systems
+* Windows 10 (Note: check if UTF-8 flag set at Systemadministration/TimeAndRegion/Region/Administration/AreaPattern, if you want to use such characters as äöüÄÖÜß)
+* Debian 10
+
+## Requirements
+* Perl version 5.28 or higher, as all necessary modules required
+* Module Archive::BagIt::Base 0.065 or higher
+
+## Documentation
+Specification of creating a SLUB SIP you can find at https://slubarchiv.slub-dresden.de/fileadmin/groups/slubsite/slubarchiv/SLUBArchiv_Produzenten_SIP_Spezifikation_v2.0.pdf
+For rigths coding specification visit https://slubarchiv.slub-dresden.de/fileadmin/groups/slubsite/slubarchiv/SLUBArchiv_Produzenten_Rechteauszeichnung_v1.0.pdf
+
+### Explanation
+##### Usage
+```perl
+perl -I lib/ bin/slubsipbuilderbagit.pl -help
+```
+
+##### Full documentation with examples
+```perl
+perl -I lib/ bin/slubsipbuilderbagit.pl -man
+```
+