Added Classes Type and TypedNode

src/main/java/de/maishai/typedast/Type.java

@@ -0,0 +1,8 @@
+package de.maishai.typedast;
+
+public enum Type {
+    INT,
+    BOOL,
+    CHAR,
+    VOID
+}

src/main/java/de/maishai/typedast/TypedNode.java

@@ -0,0 +1,21 @@
+package de.maishai.typedast;
+
+import de.maishai.ast.Node;
+
+public class TypedNode  {
+
+    public Node node;
+    public Type type;
+
+    public TypedNode(Node node, Type type) {
+        this.node = node;
+        this.type = type;
+    }
+
+    @Override
+    public String toString() {
+        return node.toString() + " : " + type;
+    }
+
+
+}