Implement object format to represent chat messages

Every chat text message can be split into parts such as text, newline
and links.

Signed-off-by: RMidhunSuresh <rmidhunsuresh@gmail.com>

src/domain/MessageObjectFormat.js

@@ -0,0 +1,24 @@
+export class MessageObjectFormat {
+
+    constructor(message = []) {
+        this._root = message;
+    }
+
+    insertText(text) {
+        if (text.length)
+            this._root.push({ type: "text", text: text });
+    }
+
+    insertLink(link, displayText) {
+        this._root.push({ type: "link", url: link, text: displayText });
+    }
+
+    insertNewline() {
+        this._root.push({ type: "newline" });
+    }
+
+    [Symbol.iterator]() {
+        return this._root.values();
+    }
+
+}