Add initializer list support for Dictionary.

src/Collections/Dictionary.cpp

@@ -1 +0,0 @@
-#include "Dictionary.hpp"

src/Collections/Dictionary.hpp

@@ -10,9 +10,9 @@ namespace Arbutils::Collections {
 
         using iterator = typename std::unordered_map<KeyT, ValueT, std::hash<KeyT>, std::equal_to<KeyT>,
                                                      std::allocator<std::pair<const KeyT, ValueT>>>::iterator;
-
     public:
         explicit Dictionary(size_t capacity) : _map(capacity) {}
+        explicit Dictionary(const std::initializer_list<std::pair<const KeyT, ValueT>>& l) : _map(l){}
 
         inline void Insert(KeyT key, ValueT value) {
             auto v = _map.insert({key, value});