Implement Fort Fight minigame (#75)

Co-authored-by: Michal Pikulski <michal.a.pikulski@gmail.com>
Reviewed-on: #75

Assets/Scripts/Minigames/FortFight/Data/ProjectileConfig.cs

@@ -0,0 +1,94 @@
+using System;
+using UnityEngine;
+
+namespace Minigames.FortFight.Data
+{
+    /// <summary>
+    /// Configuration data for a projectile type.
+    /// Stored centrally in FortFightSettings instead of individual ScriptableObject assets.
+    /// </summary>
+    [Serializable]
+    public class ProjectileConfig
+    {
+        [Header("Identity")]
+        [Tooltip("Type of projectile this config represents")]
+        public ProjectileType projectileType;
+        
+        [Tooltip("Unique string identifier (auto-generated from type)")]
+        public string projectileId;
+        
+        [Header("Prefab")]
+        [Tooltip("Prefab for this projectile (should have ProjectileBase component)")]
+        public GameObject prefab;
+        
+        [Header("Ammunition System")]
+        [Tooltip("Cooldown in turns after use")]
+        public int cooldownTurns = 2;
+        
+        [Header("UI")]
+        [Tooltip("Icon sprite for ammunition UI")]
+        public Sprite icon;
+        
+        [Tooltip("Display name for this projectile type")]
+        public string displayName;
+        
+        [Tooltip("Description of projectile behavior")]
+        [TextArea(2, 4)]
+        public string description;
+        
+        [Header("Combat Stats")]
+        [Tooltip("Damage dealt on impact")]
+        public float damage = 20f;
+        
+        [Header("Physics")]
+        [Tooltip("Mass for physics simulation (affects trajectory and force)")]
+        public float mass = 1f;
+        
+        /// <summary>
+        /// Get the ProjectileBase component from the prefab
+        /// </summary>
+        public Projectiles.ProjectileBase GetProjectileComponent()
+        {
+            if (prefab == null) return null;
+            return prefab.GetComponent<Projectiles.ProjectileBase>();
+        }
+        
+        /// <summary>
+        /// Get damage value from config
+        /// </summary>
+        public float GetDamage()
+        {
+            return damage;
+        }
+        
+        /// <summary>
+        /// Get mass value from config
+        /// </summary>
+        public float GetMass()
+        {
+            return mass;
+        }
+        
+        /// <summary>
+        /// Validate and auto-generate projectileId from type
+        /// </summary>
+        public void Validate()
+        {
+            if (string.IsNullOrEmpty(projectileId))
+            {
+                projectileId = GenerateIdFromType(projectileType);
+            }
+            
+            if (string.IsNullOrEmpty(displayName))
+            {
+                displayName = projectileType.ToString();
+            }
+        }
+        
+        private string GenerateIdFromType(ProjectileType type)
+        {
+            return type.ToString().ToLower();
+        }
+    }
+}
+