Add persistence entities for lodestone

ChaosBot/Database/Entity/LodestoneCharacters.cs

@@ -0,0 +1,29 @@
+using ChaosBot.Attribute;
+using ChaosBot.Lodestone;
+
+namespace ChaosBot.Database.Entity
+{
+    [DBEntity("LodestoneCharacter")]
+    public class LodestoneCharacter
+    {
+        [DBUnique]
+        [DBPrimaryKey]
+        public int id { get; }
+        public string name { get; }
+        public string avatar { get; }
+        
+        public LodestoneCharacter(int id, string name, string avatar)
+        {
+            this.id = id;
+            this.name = name;
+            this.avatar = avatar;
+        }
+        
+        public LodestoneCharacter(Character character)
+        {
+            this.id = (int)character.ID;
+            this.name = character.Name;
+            this.avatar = character.Avatar;
+        }
+    }
+}

ChaosBot/Database/Entity/LodestoneFreeCompany.cs

@@ -0,0 +1,18 @@
+using ChaosBot.Attribute;
+
+namespace ChaosBot.Database.Entity
+{
+    [DBEntity("LodestoneFreeCompany")]
+    public class LodestoneFreeCompany
+    {
+        [DBUnique]
+        public string id { get; }
+        public string name { get; }
+        
+        public LodestoneFreeCompany(string id, string name)
+        {
+            this.id = id;
+            this.name = name;
+        }
+    }
+}