Update readme.md

[furopi]

[Insert URL to the plugin here]

[Explain what this plugin is about and why it should be included here]

By submitting this pull request I confirm I've read and complied with the below requirements 🖖

Requirements for your pull request

• [ ] You have read and understood the Contribution Guidelines.
• [ ] This pull request has a title in the format Add [PluginName].
  • ✅ Add GEmojiSharp
  • ❌ Update readme.md
  • ❌ Adding GEmojiSharp
  • ❌ Added GEmojiSharp
• [ ] Your entry should include a short description of the plugin. The first character should be uppercase and the description should end in a dot. It should be an objective description and not a tagline or marketing blurb.
  • ✅ - [GEmojiSharp](…) - Find and copy GitHub emoji.
  • ❌ - [GEmojiSharp](…) - A GitHub Emoji plugin for PowerToys Run.
  • ❌ - [GEmojiSharp](…)
• [ ] The link text should be the Name of the plugin found in the plugin.json file. The URL should be the link to the GitHub repo, or a link to an anchor in the readme.
  • ✅ - [GEmojiSharp](https://github.com/hlaueriksson/GEmojiSharp) - …
  • ❌ - [GEmojiSharp.PowerToysRun](…) - …
  • ❌ - [GEmojiSharp](https://github.com/hlaueriksson/GEmojiSharp/releases/download/v1.0.0/GEmojiSharp.PowerToysRun.1.0.0.zip) - …
• [ ] Your entry should be added at the bottom of the appropriate category.
• [ ] The suggested plugin complies with the below requirements.

Requirements for your plugin

• [ ] Has been around for at least 30 days.
  That means 30 days from either the first real commit or when it was open-sourced. Whatever is most recent.
• [ ] Run ptrun-lint on your plugin and fix the reported issues. If there are false-positives or things that cannot/shouldn't be fixed, please report it.
• [ ] Scan your plugin with VirusTotal and make sure that no security vendors flagged your files as malicious.
• [ ] It's the result of hard work and the best I could possibly produce.
  If you have not put in considerable effort into your plugin, your pull request will not be merged.
• [ ] Not a clone. Before submitting, please verify whether a similar plugin has already been added to avoid duplicates.
• [ ] Is awesome. Awesome lists are curations of the best, not everything.

[hlaueriksson]

@furopi Please ensure that you read and adhere to the pull request requirements