Added new app idea for 2-tier level

#hacktoberfest

Projects/2-Intermediate/YT-Video-Uploader

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+# Youtube Video Uploader
+
+**Tier:** 2-Intermediate
+
+Application where user can upload videos on the YouTube via API
+
+## User Stories
+
+-   [ ] User can see page with elements for entering video description, title, categories and tags fields where he can type all related data
+-   [ ] By pressing upload button video going to be uploaded to the his channel
+-   [ ] User can choose uploading without thumbnail by marking checkbox
+-   [ ] User can set video privacy (publc, private, etc.)
+-   [ ] After closing program, video uploading should be terminated and connection with API should be closed
+
+## Bonus features
+
+-   [ ] Form is locked if no video is selected
+-   [ ] User can add channel link on which channel should be uploaded video (on one authorized account could be multiple channels)
+-   [ ] User can crop video directly in the application.
+-   [ ] User can see all exisiting categories in the combobox
+-   [ ] User can filter tags by popularity
+
+## Useful links and resources
+
+-   [Tutorial how to get Youtube API](https://blog.hubspot.com/website/how-to-get-youtube-api-key)
+-   [YouTube API Wrapper](https://github.com/yulian-titov/youtube-mass-uploader)
+
+## Example projects
+
+-   [YouTube Video Uploader made with Avalonia](https://github.com/curiousvlxd/YouTube-Video-Uploader-Avalonia) by [curiousvlxd](https://github.com/curiousvlxd)
+-   [YouTube Video Uploader made with WPF](https://github.com/curiousvlxd/YouTube-Video-Uploader-WPF) by [curiousvlxd](https://github.com/curiousvlxd)
+-   [YouTube Bulk Upload UI - Lazy Edition](https://github.com/staafl/youtube-bulk-upload-ui) by [stafl](https://github.com/staafl)