added link in main readme

Author: ibtsam3301

Extract Thumbnail from video/README.md renamed to ExtractThumbnailFromVideo/README.md

@@ -52,7 +52,7 @@ Feel free to explore the scripts and use them for your learning and automation n
 38. [Images Downloader](https://git.io/JvnJh) - Download images from webpages on Unix-based systems.
 39. [space_invader.py.py](https://github.com/meezan-mallick/space_invader_game) - Classical 2D space invader game to recall your childhood memories.
 40. [Test Case Generator](https://github.com/Tanmay-901/test-case-generator/blob/master/test_case.py) - Generate different types of test cases with a clean and friendly UI, used in competitive programming and software testing.
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+41. [Extract Thumbnail From Video](https://github.com/geekcomputers/Python/tree/ExtractThumbnailFromVideo) - Extract Thumbnail from video files
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 _**Note**: The content in this repository belongs to the respective authors and creators. I'm just providing a formatted README.md for better presentation._