Added landing page design as per Instance #8

[satvikchachra]

Description

I have made a landing page design for Water Monitoring System using Adobe XD.

Fixes #174

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

Reviewer: Vinit Shahdeo

[amaaniqbal]

Please include a corresponding PNG/JPG file for review

[satvikchachra]

@amaaniqbal Thank you for reviewing my pull request.
Since this is an animated landing page, I have added multiple screenshots in PNG format for review.
Please view it in Adobe XD to view the animation.

[welcome]

Congrats on merging your first pull request! 🙌🎉⚡️
Show some love by starring a few of my repositories.

[amaaniqbal]

Very well done! Looking forward to seeing some more contributions from you ahead :)