Add project metadata, logos and license headers

.gitignore

+.idea/
\ No newline at end of file

.gitlab-ci.yml

+stages:
+  - mirror
+
+github_mirror:
+  stage: mirror
+  tags:
+    - github_namboy94_push
+  script:
+    - git checkout master
+    - git pull
+    - git push git@github.com:namboy94/rock-paper-scissors.git master -f

CHANGELOG

+This project currently does not maintain a changelog file.
\ No newline at end of file

CONTRIBUTING.md

+# Contributing
+
+As this project is no longer being developed, no contributions are being
+accepted. You can of course always create your own fork.
\ No newline at end of file

README.md

+# Rock-Paper-Scissors [![pipeline status](https://gitlab.namibsun.net/namboy94/rock-paper-scissors/badges/master/pipeline.svg)](https://gitlab.namibsun.net/namboy94/rock-paper-scissors/commits/master)
+
+![Logo](resources/logo/logo-readme.png)
+
+This is a CLI rock-paper-scissors game.
+
+## Further Information
+
+* [Changelog](https://gitlab.namibsun.net/namboy94/rock-paper-scissors/raw/master/CHANGELOG)
+* [License (GPLv3)](https://gitlab.namibsun.net/namboy94/rock-paper-scissors/raw/master/LICENSE)
+* [Gitlab](https://gitlab.namibsun.net/namboy94/rock-paper-scissors)
+* [Github](https://github.com/namboy94/rock-paper-scissors)
+* [Git Statistics (gitstats)](https://gitstats.namibsun.net/gitstats/rock-paper-scissors/index.html)
+* [Git Statistics (git_stats)](https://gitstats.namibsun.net/git_stats/rock-paper-scissors/index.html)

Rock Paper Scissors/main.c

+/*
+Copyright 2014-2017 Hermann Krumrey <hermann@krumreyh.com>
+
+This file is part of rock-paper-scissors.
+
+rock-paper-scissors is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+rock-paper-scissors 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with rock-paper-scissors.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>