Design a new favicon for Notes-app

Now, the project uses the Cordova favicon

## Expected Behavior

A new logo would give the contributor a fresh start into logo designing

## Current Behavior

Currently, there is the Cordova favicon

## Possible Solution

Use any tool and create a logo and replace the Cordova favicon

## Context

There are many tools for generating favicons. Find the one that suits you.

Start by locating the current Cordova favicon and the page or configuration that references it. Create a replacement logo using a suitable tool, replace the existing favicon, and verify that the application displays the new icon in web and mobile views.

Written by the indexing model from the issue text.