Frontend: Logo Implementation

[umutdenizsenerr]

This pull request updates the logo and favicon for our medical experience sharing platform. The old logo and favicon have been replaced with new ones provided. The changes have been tested and are ready to be merged.

1) Replaced favicon.ico file in the root directory with the new one provided. 2) Replaced the logo image file in the images directory with the new one provided. 3) Updated the codebase to display the new logo in the navigation bar. 4) Added code to display the new favicon in the browser tab. 5) Tested the website to ensure that the new logo and favicon are displayed correctly in all relevant places.

[BeratDamar]

The new logo designed by team is integrated to web application. Well done !