add new html page for planting a tree and add more images for goals sections

[Aditya1424]

Add a new HTML page

Add an planttree.html page for planting a tree.
In this you can register yourself if you want to plant a tree or trees on a particular location

Adding more images

Add more images in Where we plant section of different different countries so that user could get knowledge.

Adding more cards

Adding more different cards in Our Goals section like afforestation, health benefits, social and economics benefitsetc.

[github-actions]

Thank you for opening a pull request @Aditya1424. We will review it as soon as possible 🙌❤️

[Virtual4087]

@Aditya1424 Your pr has a lot of conflicts and errors. The countries are misaligned, the goals section's icons are images picked from google, the planttree page doesn't look good. Please open an issue before creating a pr.