Update free Palestine badge hyperlink

[tawhidmonowar]

add this as Palestine badge hyperlink: https://techforpalestine.org/learn-more

[MdIzAZ]

Can you plz explain the problem properly better if you provide any video or photo.

[tawhidmonowar]

Hi, thank you for your interest in contributing. In the README file, replace this badge:
[![SavePalestine](https://raw.githubusercontent.com/OneDroid/.github/refs/heads/main/images/badge/save-palestine.svg)](https://www.youtube.com/watch?v=O5fbyEV36pU)

with this
[![SavePalestine](https://raw.githubusercontent.com/OneDroid/.github/refs/heads/main/images/badge/save-palestine.svg)](https://techforpalestine.org/learn-more)

[Aditya948351]

Hi! I have done the changes Please consider the pull request