Add theme: Vortex

[IxBlazarxI]

I am submitting a new Community Theme

Repo URL

Link to my theme: https://github.com/IxBlazarxI/Obsidian-Theme-OverCast

Theme checklist

• [x ] My repo contains all required files (please do not add them to this obsidian-releases repo).
  • [x ] manifest.json
  • [x ] theme.css
  • [x ] The screenshot file (16:9 aspect ratio, recommended size is 512px by 288px for fast loading).
• [x ] I have indicated which modes (dark, light, or both) are compatible with my theme.
• [x ] I have read the developer policies at https://docs.obsidian.md/Developer+policies, and have assessed my theme's adherence to these policies.
• [x ] I have read the tips in https://docs.obsidian.md/Themes/App+themes/Theme+guidelines and have self-reviewed my theme to avoid these common pitfalls.
• [x ] I have added a license in the LICENSE file.
• [x ] My project respects and is compatible with the original license of any code from other themes that I'm using. I have given proper attribution to these other themes in my README.md.

[github-actions]

Hello!

I found the following issues in your theme submission

Warnings:

⚠️ Theme theme screenshot size is not optimal, we generally recommend a size around 512 × 288 pixels.
Detected size: 512 x 287 pixels

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^{This check was done automatically. Do NOT open a new PR for re-validation. Instead, to trigger this check again, make a change to your PR and wait a few minutes, or close and re-open it.}

[github-actions]

Hello!

I found the following issues in your theme submission

Errors:

❌ The newly added entry is not at the end, or you are submitting on someone else's behalf. The last theme in the list is: abhimangs/obsidian-vortex. If you are submitting from a GitHub org, you need to be a public member of the org.

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^{This check was done automatically. Do NOT open a new PR for re-validation. Instead, to trigger this check again, make a change to your PR and wait a few minutes, or close and re-open it.}