Vein Miner Revamp

<p>Vein Miner automatically mines all connected ore blocks when you break one while holding Sneak (default crouch key).</p> <p>Features:</p> <p>- Select multiple types of minning (1x2, 3x3, tunnel up/down, vein)</p> <p>- Mines the entire connected vein in one action</p> <p>- All drops fall at the block you broke</p> <p>- Tool durability is consumed per block mined</p> <p>- Configurable block whitelist (default: ores only)</p> <p>- Open config UI with F7 to add/remove block types and set max blocks per operation</p> <p>- Per-player configuration saved on the server</p> <p>Compatible with Vintage Story 1.22.x</p>