Use Task for validation

locales validation is now a MSBuild task instead and will run as part of the build process. The emulator will still need to be ran once to fix locales/langauges after a new addition, but will no longer crash

src/Ryujinx.BuildValidationTasks/LocaleValidationTask.cs

@@ -0,0 +1,67 @@
+using System;
+using Microsoft.Build.Utilities;
+using System.Collections.Generic;
+using System.Linq;
+using System.IO;
+using Newtonsoft.Json;
+using Microsoft.Build.Framework;
+
+namespace Ryujinx.BuildValidationTasks
+{
+    public class LocaleValidationTask : Task
+    {
+        public override bool Execute()
+        {
+            string path = System.Reflection.Assembly.GetExecutingAssembly().Location;
+
+            path = new FileInfo(path).Directory.Parent.Parent.Parent.Parent.GetDirectories("Ryujinx")[0].GetDirectories("Assets")[0].GetFiles("locales.json")[0].FullName;
+
+            string data;
+
+            using (StreamReader sr = new StreamReader(path))
+            {
+                data = sr.ReadToEnd();
+            }
+
+            LocalesJSON json = JsonConvert.DeserializeObject<LocalesJSON>(data);
+
+            for (int i = 0; i < json.Locales.Count; i++)
+            {
+                LocalesEntry locale = json.Locales[i];
+
+                foreach (string language in json.Languages)
+                {
+                    if (!locale.Translations.ContainsKey(language))
+                    {
+                        locale.Translations.Add(language, "");
+                        Log.LogMessage(MessageImportance.High, $"Added {{{language}}} to Locale {{{locale.ID}}}");
+                    }
+                }
+
+                locale.Translations = locale.Translations.OrderBy(pair => pair.Key).ToDictionary(pair => pair.Key, pair => pair.Value);
+                json.Locales[i] = locale;
+            }
+
+            string jsonString = JsonConvert.SerializeObject(json, Formatting.Indented);
+
+            using (StreamWriter sw = new StreamWriter(path))
+            {
+                sw.Write(jsonString);
+            }
+
+            return true;
+        }
+
+        struct LocalesJSON
+        {
+            public List<string> Languages { get; set; }
+            public List<LocalesEntry> Locales { get; set; }
+        }
+
+        struct LocalesEntry
+        {
+            public string ID { get; set; }
+            public Dictionary<string, string> Translations { get; set; }
+        }
+    }
+}