♻️ refactor(nodes): Use more precise imports.

Author: make-github-pseudonymous-again

src/2-node/2-Node2.js

@@ -1,4 +1,4 @@
-import {Two} from '../1-digit/index.js';
+import {Two} from '../1-digit/2-Two.js';
 
 export function Node2(v, a, b) {
 	this.v = v;

src/2-node/3-Node3.js

@@ -1,4 +1,4 @@
-import {Three} from '../1-digit/index.js';
+import {Three} from '../1-digit/3-Three.js';
 
 export function Node3(v, a, b, c) {
 	this.v = v;