Restructured folders and project names, ci should be fixed

src/NadekoBot/_Extensions/ArrayExtensions.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace NadekoBot.Extensions
+{
+    // made for customreactions because they almost never get added
+    // and they get looped through constantly
+    public static class ArrayExtensions
+    {
+        /// <summary>
+        /// Create a new array from the old array + new element at the end
+        /// </summary>
+        /// <param name="input">Input array</param>
+        /// <param name="added">Item to add to the end of the output array</param>
+        /// <typeparam name="T">Type of the array</typeparam>
+        /// <returns>A new array with the new element at the end</returns>
+        public static T[] With<T>(this T[] input, T added)
+        {
+            var newCrs = new T[input.Length + 1];
+            Array.Copy(input, 0, newCrs, 0, input.Length);
+            newCrs[input.Length] = added;
+            return newCrs;
+        }
+    }
+}