Grass Collection v1.0.0.0

Grass Collection adds a true on-foot grass gathering system for start-from-scratch gameplay.

Features:
- Collect nearby grass while on foot
- Unload carried grass by hand at supported drop areas
- Supports selling and bunker silo dumping
- Capacity and pickup upgrades
- Rebindable controls
- Save/load support for carried amount and upgrades

Instructions:
1. Enable the system with Shift + J if it is turned off.
2. Toggle collection mode with Shift + H.
3. Walk over grass to collect it automatically while the mode is active.
4. Unload carried grass with Shift + R at a valid drop area, sell point or bunker silo.
5. Open upgrades with Shift + U, select an upgrade row, then click Buy.

Hotkeys:
- Toggle Grass Collection Mode: Default Shift + H
- Unload Carried Grass: Default Shift + R
- Toggle Grass Collection System: Default Shift + J
- Open Grass Collection Upgrades: Default Shift + U
- Select Next Grass Collection Upgrade: Default Shift + I