Update and rename CNLTF.md to CanonLT.md

Author: filip26

doc/CNLTF.md doc/CanonLT.md

@@ -12,6 +12,31 @@
 - **Direct Reference by Identifier:**  
   Nodes with unique identifiers can be directly referenced using their identifier.
 
+```typescript
+
+// A type alias for values that can either be a URI or a Node.
+type NodeOrRef = URI | Node;
+
+// A type alias for node entries which may be a single NodeOrRef or an array of them.
+type NodeEntry = NodeOrRef | NodeOrRef[];
+
+interface CanonLT {
+  // The root can be a single NodeOrRef or an array of NodeOrRef.
+  root: NodeOrRef | NodeOrRef[];
+  
+  // A mapping of terms to their corresponding Node objects.
+  nodes: Map<URI, Node | Node[]>;
+}
+
+interface Node {
+  // The type of the node, represented as a single URI.
+  type: URI;
+  
+  // A mapping of URIs to node entries, which can be direct node references, URIs, or arrays thereof.
+  entries: Map<URI, NodeEntry>;
+}
+
+```
 
 ```json
 {