add: water_consumption project to community_gallery

[Ratul-Saha-003]

---

name: Water Consumption Statistics Project
title: 'A Pull Request adding a new example to the community_gallery'

Description of Changes
Adds a new water_consumption project to the community_gallery

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• New example
• Test improvement

Testing
Please describe the tests that you ran to verify your changes. Include screenshots/videos.

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 run my code against examples and ensured no errors
• Any dependent changes have been merged and published in downstream modules