Small Hot Spring [Discontinued]

Small hot spring. Inspired by and works like Standalone Hot Spring.

Differences are:
- it cost 100 Wood and 300 Stony instead of 500 Stony;
- it takes 4x6 space instead of 4x8;
- it can hold 4 instead of 6 pawns at a time;

Code: all Standalone Hot Spring contributors, juh9870, Luneyl
Art: BobaWorry