Update 'TODO.org'

TODO.org

@@ -57,3 +57,29 @@ not so easy: need to keep track of allocated blocks, **and** to understand that
 - ~move_gen()~: ~doit~ is maybe redundant with test on current turn.
 - should board be included in position ?
 - Whill +this text+ be strikethrough ?
+
+* A small personal C library
+** License
+SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
+
+This work is, with exceptions below, Copyright (C) 2021-2024 Bruno Raoult ("br"), and licensed under the GNU General Public License v3.0 or later.
+Some rights reserved. See COPYING.
+
+*** The licence exceptions are:
+**** [[https://sourceforge.net/projects/cutest/files/cutest/][CuTest]]
+This work is (C) 2000-2003 Asim Jalis, under the zlib License.
+See the [[test/cutest/license.txt][license file]].
+
+** Installation:
+*** clone repository
+**** user...
+#+BEGIN_EXAMPLE
+$ git clone https://git.raoult.com:bruno/brlib.git
+#+END_EXAMPLE
+or
+```$ git clone https://git.raoult.com:bruno/brlib.git```
+
+**** ... or developer
+$ git clone https@git.raoult.com:bruno/brlib.git
+$ cd brlib
+$ git remote add github git@github.com:braoult/brlib.git