doc: clarify license of the project (BSD-2-Clause)

The readme file (updated) refers to the license file (added), which
refers to the authors file (added).

Fixes #197

Author: Totktonada

AUTHORS

@@ -0,0 +1,35 @@
+In the order of a first contribution.
+
+Konstantin Cherkasoff <[email protected]>
+Roman Tsisyk <[email protected]>
+Vlad Emelyanov <[email protected]>
+Dmitry E. Oboukhov <[email protected]>
+Eugine Blikh <[email protected]>
+Sokolov Yura <[email protected]>
+Konstantin Osipov <[email protected]>
+Andrey Drozdov <[email protected]>
+Alexander <[email protected]>
+Vladimir Rudnyh <[email protected]>
+Dmitry Shveenkov <[email protected]>
+Nikolay Meleshenko <[email protected]>
+Alexander Abashkin <[email protected]>
+Nick Zavaritsky <[email protected]>
+Mikhail Kaplenko
+Vladimir Marunov <[email protected]>
+Zajcev Evgeny <[email protected]>
+Konstantin Nazarov <[email protected]>
+Ilya Markov <[email protected]>
+Dmitry Zimnukhov <[email protected]>
+Alexey Gadzhiev <[email protected]>
+Konstantin Belyavskiy <[email protected]>
+Michael Filonenko <[email protected]>
+Alexander Turenko <[email protected]>
+Sergei Voronezhskii <[email protected]>
+Alexander V. Tikhonov <[email protected]>
+Oleg Babin <[email protected]>
+Denis Ignatenko <[email protected]>
+Ilya Konyukhov <[email protected]>
+Vladislav Shpilevoy <[email protected]>
+Artem Morozov <[email protected]>
+Sergey Bronnikov <[email protected]>
+Yaroslav Lobankov <[email protected]>

LICENSE

@@ -0,0 +1,22 @@
+Copyright 2011-2022 tarantool-python AUTHORS: please see the AUTHORS file.
+
+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 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.

README.rst

@@ -117,3 +117,8 @@ On Windows:
 .. _`BSD-2-Clause`: https://opensource.org/licenses/BSD-2-Clause
 .. _`asynctnt`: https://github.com/igorcoding/asynctnt
 .. _`feature comparison table`: https://www.tarantool.io/en/doc/latest/book/connectors/#python-feature-comparison
+
+License
+^^^^^^^
+
+BSD-2-Clause. See the ``LICENSE`` file.