add basic project configuration stuff

.gitlab/issue_templates/Bug.md

+**Steps to Reproduce**
+
+* (describe here step-by-stepo in detail what you did to produce this bug)
+
+**Expected Behavior**
+
+* (describe here what you would the application to do if worked normally)
+
+**Observed Behavior**
+
+* (describe here what you actually observed)

.gitlab/merge_request_templates/Default.md

+One line description of your change
+ 
+Motivation:
+
+Explain here the context, and why you're making that change.
+What is the problem you're trying to solve.
+ 
+Modifications:
+
+Describe the modifications you've done.
+ 
+Result:
+
+After your change, what will change
+
+Target: <name of the targeted branch>
+Request: <subsequent branch that this will be pulled to>
+Acked-by: <name of the reviewer>
+Pull-request: #<pull-request-number or url>

LICENSE.md

+License
+
+Copyright (c) 2020 Helmholtz Association
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License version 3
+as published by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see https://www.gnu.org/licenses/.

README.md

+# Helmholtz Marketplace Server
+
+Helmholtz Marketplace Server is the frontend resources API for Helmholtz marketplace.
+
+## Building and Running
+
+In order to build and run Helmholtz Marketplace Cerebrum you will need
+* OpenJDK 11
+* Apache Maven 3.6
+
+To start you will need to clone the project and then execute
+```
+mvn clean install
+```
+
+in order to run the project, build it and execute the Jar file from the command line:
+```
+java -jar target/helmholtz-marketplace-server-<version number>-SNAPSHOT.jar
+```
+
+Since this is an API-only application, there is no GUI aside from a minimal proof-of-concept page for the login. You can access it at
+
+[http://localhost:8080/](http://localhost:8080/)
+