add Metro 7 theme for Groove Launcher

THEMES.MD

@@ -11,9 +11,11 @@
 | <img src="themes/frutiger/icon.webp" width="200"> | **Frutiger Groove** | **Author:** [Berkay Tumal](https://github.com/berkaytumal) <br> **Description:** Frutiger Aero theme for Groove Launcher <br> [![Install Theme](https://img.shields.io/badge/install-AA00FF?style=for-the-badge)](https://groovelauncher.org/redirect?url=groove:?installStyle=https://cdn.jsdelivr.net/gh/groovelauncher/GrooveLauncher@main/themes/frutiger/style.css) [![View Stylesheet](https://img.shields.io/badge/view-green?style=for-the-badge)](https://raw.githubusercontent.com/groovelauncher/GrooveLauncher/refs/heads/main/themes/frutiger/style.css) |
 | <img src="themes/nothing/icon.webp" width="200"> | **Nothing**       | **Author:** [Berkay Tumal](https://github.com/berkaytumal) <br> **Description:** Nothing OS inspired theme for Groove Launcher. <br> [![Install Theme](https://img.shields.io/badge/install-AA00FF?style=for-the-badge)](https://groovelauncher.org/redirect?url=groove:?installStyle=https%3A%2F%2Fgist.githubusercontent.com%2Fberkaytumal%2Ff1085044769f02646f4ca2f2a7303515%2Fraw%2Fd85baeddf2e541da54578715628be31e127ad9b6%2Fnothing-0.5.3.css) [![View Stylesheet](https://img.shields.io/badge/view-green?style=for-the-badge)](https://gist.githubusercontent.com/berkaytumal/f1085044769f02646f4ca2f2a7303515/raw/d85baeddf2e541da54578715628be31e127ad9b6/nothing-0.5.3.css) |
 | <img src="https://ghplayer2000.github.io/gh-groove-themes/w95.png" width="200"> | **Windows 95**       | **Author:** [ghplayer2000](https://github.com/ghplayer2000) <br> **Description:** Windows 95 Theme <br> [![Install Theme](https://img.shields.io/badge/install-AA00FF?style=for-the-badge)](https://groovelauncher.org/redirect?url=groove:?installStyle=https%3A%2F%2Fghplayer2000.github.io%2Fgh-groove-themes%2Fw95.css) [![View Stylesheet](https://img.shields.io/badge/view-green?style=for-the-badge)](https://ghplayer2000.github.io/gh-groove-themes/w95.css) |
+| <img src="https://raw.githubusercontent.com/WarioGithub/Metro-7/refs/heads/main/groove%207.webp" width="200"> | **Metro 7**       | **Author:** [Wario](https://wariowareneocities.neocities.org) <br> **Description:** Windows Phone 7-style theme for Groove Launcher. <br> [![Install Theme](https://img.shields.io/badge/install-AA00FF?style=for-the-badge)](https://groovelauncher.org/redirect?url=groove:?installStyle=https%3A%2F%2Fraw.githubusercontent.com%2FWarioGithub%2FMetro-7%2Frefs%2Fheads%2Fmain%2Fmetro_7.css) [![View Stylesheet](https://img.shields.io/badge/view-green?style=for-the-badge)](https://raw.githubusercontent.com/WarioGithub/Metro-7/refs/heads/main/metro_7.css) |
 | <img src="themes/high-contrast/icon.webp" width="200"> | **High Contrast**   | **Author:** [Berkay Tumal](https://github.com/berkaytumal) <br> **Description:** High contrast theme for enhanced visibility and accessibility <br> [![Install Theme](https://img.shields.io/badge/install-AA00FF?style=for-the-badge)](https://groovelauncher.org/redirect?url=groove:?installStyle=https://cdn.jsdelivr.net/gh/groovelauncher/GrooveLauncher@main/themes/high-contrast/style.css) [![View Stylesheet](https://img.shields.io/badge/view-green?style=for-the-badge)](https://raw.githubusercontent.com/groovelauncher/GrooveLauncher/refs/heads/main/themes/high-contrast/style.css) |
 | <img src="themes/lite-mode/icon.webp" width="200"> | **Lite Mode**       | **Author:** [Berkay Tumal](https://github.com/berkaytumal) <br> **Description:** A lightweight theme optimized for older devices with reduced animations <br> [![Install Theme](https://img.shields.io/badge/install-AA00FF?style=for-the-badge)](https://groovelauncher.org/redirect?url=groove:?installStyle=https://cdn.jsdelivr.net/gh/groovelauncher/GrooveLauncher@main/themes/lite-mode/style.css) [![View Stylesheet](https://img.shields.io/badge/view-green?style=for-the-badge)](https://raw.githubusercontent.com/groovelauncher/GrooveLauncher/refs/heads/main/themes/lite-mode/style.css) |
 
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 ## Installation