add license and short readme

LICENSE

+BSD 3-Clause License
+
+Copyright (c) 2020, Virtual Reality & Immersive Visualization Group at RWTH Aachen University
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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README.md

+# Unreal Study Framework Plugin
+
+This Plugin allows the for the quick setting up and execution of factorial-design studies.
+
+Checkout the [Wiki](https://git-ce.rwth-aachen.de/vr-vis/VR-Group/unreal-development/plugins/unreal-study-framework/-/wikis/home) for all information on usage etc.
+
+If you want to use it or have questions, feel free to contact Jonathan Ehret (ehret@vr.rwth-aachen.de)
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StudyFrameworkPlugin.uplugin

 {
   "FileVersion": 3,
   "Version": 1,
-  "VersionName": "1.0",
+  "VersionName": "1.1",
   "FriendlyName": "StudyFrameworkPlugin",
   "Description": "A plugin to easily set up a study",
   "Category": "Other",
-  "CreatedBy": "Marius Schmeling, Jonathan Ehret",
+  "CreatedBy": "Jonathan Ehret, Marius Schmeling, Patrick Nossol, Malte Kögel",
   "CreatedByURL": "",
   "DocsURL": "",
   "MarketplaceURL": "",