Added slider drawer in Drawer category

[NikhilVadoliya]

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Description

Hi @Solido , I added Flutter_slider_drawer repository in Drawer category and I deployed the plugin in pub.dev

repository link : Github_Flutter slider drawer pub.dev link : flutter_slider_drawer (Likes : 213 , POPULARITY: 92% )

Checklist

• [x] I read How to contribute
• [x] I edited the SOURCE.md file only
• [x] Added a link to the repo in the PR

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[nikhil-concetto]

Hi @Solido, Is there any issue?