added Array_copy()

include/tlibc/collections/Array.h

@@ -27,6 +27,12 @@ static inline void Array_realloc_size(Array_* ar, u32 new_size){
     ar->size = new_size;
 }
 
+static inline Array_ Array_copy(Array_ src){
+    Array_ copy = Array_alloc_size(src.size);
+    memcpy(copy.data, src.data, src.size);
+    return copy;
+}
+
 #define Array_len(AR, T) ((AR)->size / sizeof(T))
 #define Array_memset(A, VAL) memset((A)->data, VAL, (A)->size)