Readme update

AUTHORS.md

@@ -0,0 +1,28 @@
+# CodeTower
+
+**Code your tower (coding tower defense)**
+
+### Authors
+
+* CodeTower :
+** Auteur : Philippe Roy <phroy@phroy.org>
+
+* 3D Assets :
+** KayKit dungeon : Kay Lousberg - Creative Commons Zero, CC0) - www.kaylousberg.com
+** KayKit medieval : Kay Lousberg - Creative Commons Zero, CC0) - www.kaylousberg.com
+** MCOTMC : Kay Lousberg - Creative Commons Zero, CC0) - www.kaylousberg.com
+** Kenney td_kit : Kenney - Creative Commons Zero, CC0) - www.kenney.nl
+
+* Sounds assets :
+** Kenney Impact Sounds : Kenney - Creative Commons Zero, CC0) - www.kenney.nl
+** Kenney Rpg Audio : Kenney - Creative Commons Zero, CC0) - www.kenney.nl
+** Glest game sounds assets  - Jose Luis Gonzalez - Glest Game 3.2.1 License - http://glest.org/
+
+* Icons :
+** Kenney Boardgame : Kenney impactsounds : Kenney - Creative Commons Zero, CC0) - www.kenney.nl
+** Kenney Game icons base : Kenney - Creative Commons Zero, CC0) - www.kenney.nl
+** Kenney Game icons  extension : Kenney - Creative Commons Zero, CC0) - www.kenney.nl
+
+
+
+

README.md

@@ -7,10 +7,37 @@ CodeTower is a Tower Defense coding game where the towers are driven by Python c
 With your code, you can build, remove and upgrade your towers. For each tower, you will be
 able to choose dynamically most appropriate techno (archer tower) or spell (mage tower).
 
-It's a early prototype.
+It's a early prototype.  CodeTower is a open source software distributed under the terms of the GPLv3 license.
+The game engine is [Blender](https://blender.org) - [UPGE](https://upbge.org).
 
 ![Screenshot](img/screenshot-01.jpg) 
 
+### Download
 
+Source repository  (Gitlab ) : https://gitlab.com/phroy/codetower
 
+Binaries (GNU/Linux and Windows) : [www.phroy.org](http://www.phroy.org/cloud/index.php/s/nyoWT6xMkxAJ9Pm).
 
+### Tower commands 
+
+* Build a tower : ct_build (x, y, category, name, color, style)
+** x position (integer)
+** y position (integer)
+** category (string) : "Archer tower", "Mage tower" or "Barrack" (not implemented) 
+** name (string)
+** color (RGB model) : purple, turquoise, magenta, orange, yellow, green, red or [R, G, B, 1]
+** style : square or round and version (A,B or C),  exemple : 'square-A'
+** Return boolean flag
+*** True : builded
+*** False : not builded
+** Exemple : ct_build(1,1, "Archer tower", "Tower #1",yellow,"round-A")
+
+* Remove a tower : ct_remove (x, y)
+** x position (integer)
+** y position (integer)
+
+* Get your level : ct_level ()
+** Return your level (integer)
+
+*Time management  (temporization) :  ct_sleep (delay)
+** delay : delay in seconds (float)