Created modhelper class and updated examples to make use of it

Libraries/Core/Helpers/ModHelper.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using Core.Utils;
+using SptCommon.Annotations;
+
+namespace Core.Helpers
+{
+    [Injectable]
+    public class ModHelper
+    {
+        private readonly FileUtil _fileUtil;
+        private readonly JsonUtil _jsonUtil;
+
+        public ModHelper(
+            FileUtil fileUtil,
+            JsonUtil jsonUtil)
+        {
+            _fileUtil = fileUtil;
+            _jsonUtil = jsonUtil;
+        }
+
+        public string GetAbsolutePathToModFolder(Assembly modAssembly)
+        {
+            // The full path to the mod folder
+            return Path.GetDirectoryName(modAssembly.Location);
+        }
+
+        public T GetFileFromModFolder<T>(string pathToFile, string fileName)
+        {
+            // Read the content of the config file as a string
+            var rawContent = _fileUtil.ReadFile(Path.Combine(pathToFile, fileName));
+
+            // Take the string above and deserialise it into a config file with a type (defined between the diamond brackets)
+            return _jsonUtil.Deserialize<T>(rawContent);
+        }
+    }
+}