Added lexing support for identifiers and keywords

src/Parser/Token.hpp

@@ -1,7 +1,10 @@
 #ifndef PORYGONLANG_TOKEN_HPP
 #define PORYGONLANG_TOKEN_HPP
 
+#include <utility>
+#include <string>
 #include "TokenKind.hpp"
+using namespace std;
 
 class IToken{
 public:
@@ -47,4 +50,17 @@ public:
     }
 };
 
+class IdentifierToken : public IToken{
+public:
+    string Value;
+
+    explicit IdentifierToken(string value){
+        Value = std::move(value);
+    }
+
+    TokenKind GetKind() override{
+        return TokenKind::Identifier;
+    }
+};
+
 #endif //PORYGONLANG_TOKEN_HPP