feat: implement message metadata fields

This will allow for sending rich ui elements with messages like buttons
or tables.

.gitignore

@@ -1,3 +1,4 @@
 node_modules/
 *.swp
 .npmrc
+.nyc_output/

lib/bot.js

@@ -222,21 +222,41 @@ class WickrBot extends EventEmitter {
     return this.wickr.isConnected(timeout)
   }
 
-  send(room, content) {
+  /**
+   * send is an alias for the sendMessage method
+   */
+  send(room, content, properties) {
     // not sure if there's a better way to alias this function
-    return this.sendMessage(room, content)
+    return this.sendMessage(room, content, properties)
   }
 
-  sendToUser(user, content) {
+  /**
+   * sendToUser calls the cmdSend1to1Message API to send a message to a user
+   *
+   * @param {string, array} user The username or usernames to send the 1:1 message to
+   * @param {string} content The message body
+   * @param {object} properties Additional values to send with the message
+   * @returns void
+   */
+  sendToUser(user, content, properties) {
     if (typeof user === 'string') {
       user = [user]
     }
-    return this.wickr.cmdSend1to1Message(user, content)
+    return this.wickr.cmdSend1to1Message(user, content, '', '', '', [], JSON.stringify(properties?.meta)|| '')
   }
 
-  sendMessage(room, content) {
+  /**
+   * sendMessage calls the cmdSendRoomMessage API to send a message to a room
+   *
+   * @param {string} room The vgroupid of the room
+   * @param {string} content The message body
+   * @param {object} properties Additional values to send with the message
+   * @returns void
+   */
+  sendMessage(room, content, properties) {
     try {
-      return this.wickr.cmdSendRoomMessage(room, content)
+      // TODO: I might need to stringify propeties.meta here
+      return this.wickr.cmdSendRoomMessage(room, content, '', '', '', [], JSON.stringify(properties?.meta) || '')
     } catch (error) {
       console.error('Error sending message:', error)
     }