Improved perf of removing item from unoccupied cells list
-rw-r--r-- 303 .gitignore
-rw-r--r-- 253 Cargo.toml
-rw-r--r-- 569 Makefile
-rw-r--r-- 1158 README.md
-rw-r--r-- 176 bot.json
drwxr-xr-x - src
drwxr-xr-x - tests