README added

README.md

+# Xnat .tar.gz-Uploader
+
+This project contains a shell-script which uploads all compressed dicom files in a specified folder.
+
+## Files
+
+* many-decom-targz-files-xnat-importer *shell-script, which does all the work*
+
+## Prerequisites
+
+* Bash
+* cURL (mostly pre-installed on Linux-systems)
+
+## How to use
+
+* alter the fields in the shell-skript for your demands:
+   * `USER=`... *your xnat-user-name*
+   * `PASSWORD=`... *the password of your user*
+   * `HOST=`... *the adress of your xnat-server*
+   * `PROJECT=`... *the project, where you want to upload the decom-images*
+   * DIRECTORY=... *the directory of the files you want to upload*
+* run the shell-script