add frontend

frontend/static/js/views/PostView.js

@@ -0,0 +1,16 @@
+import AbstractView from "./AbstractView.js";
+
+export default class extends AbstractView {
+    constructor(params) {
+        super(params);
+        this.postId = params.id;
+        this.setTitle("Viewing Post");
+    }
+
+    async getHtml() {
+        return `
+            <h1>Post</h1>
+            <p>You are viewing post #${this.postId}.</p>
+        `;
+    }
+}