Implemented pterodactyl egg import function

Moonlight/App/Helpers/EggConverter.cs

@@ -0,0 +1,71 @@
+using System.Text;
+using Moonlight.App.Database.Entities;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace Moonlight.App.Helpers;
+
+public static class EggConverter
+{
+    public static Image Convert(string json)
+    {
+        var result = new Image();
+
+        var data = new ConfigurationBuilder().AddJsonStream(
+            new MemoryStream(Encoding.ASCII.GetBytes(json))
+        ).Build();
+
+        result.Allocations = 1;
+        result.Description = data.GetValue<string>("description") ?? "";
+        result.Uuid = Guid.NewGuid();
+        result.Startup = data.GetValue<string>("startup") ?? "";
+        result.Name = data.GetValue<string>("name") ?? "Ptero Egg";
+
+        foreach (var variable in data.GetSection("variables").GetChildren())
+        {
+            result.Variables.Add(new()
+            {
+                Key = variable.GetValue<string>("env_variable") ?? "",
+                DefaultValue = variable.GetValue<string>("default_value") ?? ""
+            });
+        }
+        
+        var configData = data.GetSection("config");
+
+        result.ConfigFiles = configData.GetValue<string>("files") ?? "{}";
+
+        var dImagesData = JObject.Parse(json);
+        var dImages = (JObject)dImagesData["docker_images"]!;
+        
+        foreach (var dockerImage in dImages)
+        {
+            var di = new DockerImage()
+            {
+                Default = dockerImage.Key == dImages.Properties().Last().Name,
+                Name = dockerImage.Value!.ToString()
+            };
+
+            result.DockerImages.Add(di);
+        }
+
+        var installSection = data.GetSection("scripts").GetSection("installation");
+
+        result.InstallEntrypoint = installSection.GetValue<string>("entrypoint") ?? "bash";
+        result.InstallScript = installSection.GetValue<string>("script") ?? "";
+        result.InstallDockerImage = installSection.GetValue<string>("container") ?? "";
+
+        var rawJson = configData.GetValue<string>("startup");
+        
+        var startupData = new ConfigurationBuilder().AddJsonStream(
+            new MemoryStream(Encoding.ASCII.GetBytes(rawJson!))
+        ).Build();
+
+        result.StartupDetection = startupData.GetValue<string>("done", "") ?? "";
+        result.StopCommand = configData.GetValue<string>("stop") ?? "";
+
+        result.TagsJson = "[]";
+        result.BackgroundImageUrl = "";
+
+        return result;
+    }
+}