fix sdl2-sys compilation

.gitignore

@@ -1,6 +1,7 @@
 # Generated by Cargo
 # will have compiled files and executables
 /target/
+/target
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
@@ -11,6 +12,5 @@ devenv.local.nix
 # generated by samply rust profiler
 profile.json
 
-# Added by cargo
-
-/target
+# IA modles used by bots
+/models

devenv.nix

@@ -4,6 +4,11 @@
 
   packages = [
 
+    # pour burn-rs (compilation sdl2-sys)
+    pkgs.cmake
+    pkgs.libffi
+    pkgs.wayland-scanner
+
     # dev tools
     pkgs.samply # code profiler