ShopPlugin lets players create chest-based shops with signs in Minecraft. Only the shop owner can edit the sign, open the chest, or destroy either, while others can buy items by right-clicking the sign. Supports Vault for economy or works without it. Supported Version: Minecraft 1.21.8 (Paper). Dependencies (economy version): Vault, economy plugin (e.g., EssentialsX). Usage:
Create a Shop:
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Place a chest with items (e.g., 5 diamonds). Add a sign nearby: 
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With economy: [Shop], DIAMOND, 5, 100$ Without economy: [Shop], DIAMOND, 5 
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The sign-placer becomes the owner. 
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Buying: Non-owners right-click the sign to buy items (if funds/items available). Owner Privileges: Only the owner can edit the sign, open the chest, or destroy them. Installation: Place ShopPlugin-1.0-SNAPSHOT.jar in plugins, add Vault/EssentialsX (if using . economy), and restart. 

