Adding videos

• Adding video to playlist function.
• Better project structure.
• Database connector and tester.

What's Changed

• Create codeql.yml by @AnonymousX86 in #2
• Dev v0.2.0 by @AnonymousX86 in #1
• Update README.md by @AnonymousX86 in #3

New Contributors

• @AnonymousX86 made their first contribution in #2

Full Changelog: v0.1.0...v0.2.0

Creating playlists

Full Changelog: https://github.com/AnonymousX86/yt-api/commits/v0.1.0