Implement Reach

[dotSp0T]

https://youtu.be/aNavN12r-k4?t=326 Depending on the tool, etc. the player-character should have different reach:

• [ ] spear, javellin, scythe, shovel, ... -> long -> 2 blocks?
• [ ] sword, mace, ... -> medium -> 1.5 blocks?
• [ ] fist, ... -> short -> 1 block?