add install options (WIP)

ModpackUpdater/InstallInfos.cs

@@ -13,6 +13,8 @@ public class InstallInfos : IActionSetInfos
 
     public List<InstallAction> Actions { get; } = [];
 
+    public List<InstallOptionSet> OptionSets { get; } = [];
+
     IEnumerable<InstallAction> IActionSetInfos.Actions => Actions;
 
     public static InstallInfos Parse(string content)

ModpackUpdater/InstallOption.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ModpackUpdater;
+
+public class InstallOption
+{
+    public string Id { get; set; }
+    public List<InstallAction> InstallActions { get; } = [];
+    public List<UpdateAction> UninstallActions { get; } = [];
+}

ModpackUpdater/InstallOptionSet.cs

@@ -0,0 +1,9 @@
+namespace ModpackUpdater;
+
+public class InstallOptionSet
+{
+    public string Id { get; set; }
+    public bool Multiselect { get; set; }
+    public string DefaultValue { get; set; }
+    public List<InstallOption> Options { get; } = [];
+}