started working on string literals

AST.py

@@ -23,6 +23,7 @@ class NodeType(Enum):
     FloatLiteral = "FloatLiteral"
     IdentifierLiteral = "IdentifierLiteral"
     BooleanLiteral = "BooleanLiteral"
+    StringLiteral = "StringLiteral"
 
     # Helper
     FunctionParameter = "FunctionParameter"
@@ -124,6 +125,19 @@ class BooleanLiteral(Expression):
             "type": self.type().value,
             "value": self.value
         }
+    
+class StringLiteral(Expression):
+    def __init__(self, value: str = None) -> None:
+        self.value: str = value
+
+    def type(self) -> NodeType:
+        return NodeType.StringLiteral
+    
+    def json(self) -> dict:
+        return {
+            "type": self.type().value,
+            "value": self.value
+        }
 # endregion
 
 # region Statements