add missing COPYING

README.org

@@ -1,17 +1,33 @@
-A basic chess program. The goal is not to make it good, but at least to be able to play a full game - Far to be the case !
+**This is not a working chess program !!**
 
-* Installation:
-** clone repos
-*** user...
-$ git clone https@git.raoult.com:bruno/brchess.git
+/I am only experimenting some chess programming concepts./
+
+** License
+SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
+
+This work is Copyright (C) 2021-2024 Bruno Raoult ("br"), and licensed under
+the GNU General Public License v3.0 or later.
+
+Some rights reserved. See COPYING.
+** Installation (don't do it until version 0.9)
+*** clone repos
+**** user...
+#+BEGIN_EXAMPLE
+$ git clone https://git.raoult.com:bruno/brchess.git
+#+END_EXAMPLE
 or
-$ git clone https@git.raoult.com:bruno/brchess.git
-*** ... or developer
+#+BEGIN_EXAMPLE
+$ git clone https://git.raoult.com:bruno/brchess.git
+#+END_EXAMPLE
+
+**** ... or developer
+#+BEGIN_EXAMPLE
 $ git clone https@git.raoult.com:bruno/brchess.git
 $ cd brchess
 $ git remote add github git@github.com:braoult/brchess.git
-** add "brlib" submodule
+#+END_EXAMPLE
+*** add "brlib" submodule
+#+BEGIN_EXAMPLE
 $ git submodule init
 $ git submodule update --remote --merge
-
-* [...] to be completed...
+#+END_EXAMPLE