feat: Add core functionality for chests and farming mechanics

- Implemented ChestsManager to handle player interactions with custom chests.
- Created CustomMaterial class to define custom materials with properties.
- Developed EventManager for handling chat events (currently empty).
- Introduced Farm class to manage block breaking and item drops with custom logic.
- Added utility methods in Utils class for random element selection and block manipulation.
- Created Model class for managing 3D model commands.
- Defined plugin.yml for command registration and permissions.

target/classes/plugin.yml

@@ -0,0 +1,18 @@
+name: Endariel
+main: be.thedrewen.Main
+version: 1.0.0
+api-version: '1.21'
+commands:
+  test:
+    description: "Tester les fonctions."
+    usage: /test <x> <y> <z>
+    permission: be.thedrewen.op
+  
+  models:
+    description: "Ui pour faire spawn des Models 3Ds."
+    usage: /models
+    permission: be.thedrewen.op
+
+permissions:
+  be.thedrewen.op:
+    default: op