Add warnings and notes about trading implementation
tree1bdd6b59973181eac4f073e2484520c880a9eb05
-rw-r--r-- 3872 API.md
-rw-r--r-- 2472 CONTRIBUTING.md
-rw-r--r-- 9970 GROUPS.md
-rw-r--r-- 26520 LICENSE.txt
-rw-r--r-- 3167 MISSING_ENGINE_FEATURES.md
-rw-r--r-- 11400 README.md
-rw-r--r-- 163 description.txt
-rw-r--r-- 19 game.conf
drwxr-xr-x - menu
-rw-r--r-- 509 minetest.conf
drwxr-xr-x - mods
-rw-r--r-- 95212 screenshot.png
-rw-r--r-- 3654 settingtypes.txt
drwxr-xr-x - tools