Added new rules concerning type constraints and :base() calls. Reformatted attributes folder

src/NadekoBot/_Extensions/ArrayExtensions.cs

@@ -4,9 +4,6 @@
 // and they get looped through constantly
 public static class ArrayExtensions
 {
-    private static int x = 0;
-
-
     /// <summary>
     /// Create a new array from the old array + new element at the end
     /// </summary>

src/NadekoBot/_Extensions/EnumerableExtensions.cs

@@ -68,7 +68,8 @@ public static class EnumerableExtensions
         this IEnumerable<KeyValuePair<TKey, TValue>> dict)
         => new(dict);
 
-    public static IndexedCollection<T> ToIndexed<T>(this IEnumerable<T> enumerable) where T : class, IIndexed
+    public static IndexedCollection<T> ToIndexed<T>(this IEnumerable<T> enumerable)
+        where T : class, IIndexed
         => new(enumerable);
 
     // todo use this extension instead of Task.WhenAll

src/NadekoBot/_Extensions/LinkedListExtensions.cs

@@ -10,7 +10,7 @@ public static class LinkedListExtensions
         {
             if (predicate(node.Value))
                 return node;
-                
+
             node = node.Next;
         }