added more gif and start readme

README.md

@@ -1,13 +1,23 @@
-# FDF
+# FDF - fil de fer
 
-quick description
+this program is written in C
 
-- [subject here](./fdf_subject.pdf)
+this is an exercize to discover 3D drawing, keyboard events, and pixel images manipulation
 
-![limage](fdf_test_white-pink.gif)
+what it does is to read a map, which is a simple text file like this one :
 
-### ressources
+```
+0  0  0  0  0
+0  0  0  0  0
+0 10  0  0  0
+0  0  0  0  0
+0  0  0  0  0
+```
 
-- minilibx : https://harm-smits.github.io/42docs/libs/minilibx
-- draw a line : https://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm
+and it will convert it into a rectangular net, like a landscape with the height equal to the numbers :
 
+![example 3D of map before modification](assets/fdf_demo_1.jpg)
+
+if we modify the map it will modify the 3D drawing
+
+![example 3D of map after modifications](assets/fdf_demo_2.jpg)