GatherableSystem/Component (#8041)

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Gatherable/Components/GatherableComponent.cs

@@ -0,0 +1,33 @@
+using Content.Shared.EntityList;
+using Content.Shared.Whitelist;
+
+namespace Content.Server.Gatherable.Components;
+
+[RegisterComponent]
+[Friend(typeof(GatherableSystem))]
+public sealed class GatherableComponent : Component
+{
+    /// <summary>
+    ///     Whitelist for specifying the kind of tools can be used on a resource
+    ///     Supports multiple tags.
+    /// </summary>
+    [ViewVariables]
+    [DataField("whitelist", required: true)] 
+    public EntityWhitelist? ToolWhitelist;
+
+    /// <summary>
+    ///     YAML example below
+    ///     (Tag1, Tag2, LootTableID1, LootTableID2 are placeholders for example)
+    ///     --------------------
+    ///     useMappedLoot: true
+    ///     whitelist:
+    ///       tags:
+    ///        - Tag1
+    ///        - Tag2
+    ///     mappedLoot:
+    ///       Tag1: LootTableID1
+    ///       Tag2: LootTableID2
+    /// </summary>
+    [DataField("loot")] 
+    public Dictionary<string, string>? MappedLoot = new();
+}