Create LICENSE.md

LICENSE.md

+Copyright (c) 2016, KlokanTech.com & OpenMapTiles contributors.  
+All rights reserved.  
+
+The vector tile schema has been developed by Klokan Technologies GmbH and
+was initially modelled after the cartography of the CARTO's Positron basemap
+with permission from CartoDB Inc.
+The vector tile schema has been refined and improved in cooperation with
+the Wikimedia Foundation and is heavily influenced by years of
+Paul Norman's experience of creating maps from OpenStreetMap data.
+
+# Code license: BSD 3-Clause License
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* 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.
+
+* 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.
+
+# Design license: CC-BY 4.0
+
+The cartography and visual design features of the map tile schema (also known as
+the "look and feel" of the map) are licensed under the Creative Commons
+Attribution 4.0 license.
+To view a copy of the license, visit http://creativecommons.org/licenses/by/4.0/.
+
+Products or services using maps derived from OpenMapTiles schema need to visibly
+credit "OpenMapTiles.org" or reference "OpenMapTiles" with a link to
+http://openmaptiles.org/.
+
+For a browsable electronic map based on OpenMapTiles and OpenStreetMap data, the
+credit should appear in the corner of the map. For example:
+
+[© OpenMapTiles](http://openmaptiles.org/) [© OpenStreetMap contributors](http://www.openstreetmap.org/copyright)
+
+For printed and static maps a similar attribution should be made in a textual
+description near the image, in the same fashion as if you cite a photograph.
+
+Exceptions to OpenMapTiles attribution requirement can be in a written form granted
+by Klokan Technologies GmbH (info@klokantech.com).  
+The project contributors grant Klokan Technologies GmbH the license to give such
+exceptions on a commercial basis.