Add Readme and licence

LICENSE

@@ -0,0 +1,30 @@
+# docs
+Copyright (c) Deciso B.V.
+Copyright (c) 2017-2018 Fabian Franz
+Copyright (c) 2017-2018 Michael Muenz
+Copyright (c) 2015-2018 Ad Schellevis
+Copyright (c) 2015-2018 Jos Schellevis
+Copyright (c) 2017-2018 Shawn Webb
+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.
+
+THIS DOCUMENTATION 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 OPNSENSE DOCUMENTATION PROJECT 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 DOCUMENTATION, EVEN IF
+ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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 # docs
 OPNsense documentation
+======================
+The OPNsense project invites developers and users to start
+contributing to the documentation.
+
+Contribute
+==========
+
+You can contribute to the project in many ways, e.g. testing
+functionality, sending in bug reports or creating pull requests
+directly via GitHub.  Any help is always very welcome!
+
+License
+=======
+OPNsense documentation is available under the 2-Clause BSD license:
+
+http://opensource.org/licenses/BSD-2-Clause
+
+Every contribution made to the project must be licensed under the
+same conditions in order to keep OPNsense truly free and accessible
+for everybody.
+
+Some pictures are licensed under the Creative Commons Zero (CC0) license:
+
+https://creativecommons.org/publicdomain/zero/1.0/