Add vertex class for javascript and typescript (#370)

* add vertex class for javascript and typescript

* update the adjacencyList

* update the graph_adjacency_list file

* update the implicit type

---------

Co-authored-by: steak-zhuo <zhuoqinyue@gmail.com>

codes/javascript/include/Vertex.js

@@ -0,0 +1,36 @@
+/**
+ * File: Vertex.ts
+ * Created Time: 2023-02-15
+ * Author: Zhuo Qinyue (1403450829@qq.com)
+ */
+
+
+/* 顶点类 */
+class Vertex {
+    val;
+    constructor(val) {
+        this.val = val;
+    }
+
+    /* 输入值列表 vals ，返回顶点列表 vets */
+    static valsToVets(vals) {
+        const vets = [];
+        for (let i = 0; i < vals.length; i++) {
+            vets[i] = new Vertex(vals[i]);
+        }
+        return vets;
+    }
+
+    /* 输入顶点列表 vets ，返回值列表 vals */
+    static vetsToVals(vets) {
+        const vals = [];
+        for (const vet of vets) {
+            vals.push(vet.val);
+        }
+        return vals;
+    }
+}
+
+module.exports = {
+    Vertex
+};