Release version v0.3.0

Update

• Parallelized Laughter Detection and Face Clustering
• Choose ffmpeg to reduce time
• Fix some bugs

What's Changed

• [Feat] Refactor modeing code 06/05-2 by @Shimjoonkyo in #63
• [Feat] Modify backend about audio files by @seungriyou in #59
• [Feat] Update Modeling & Fix bug by @sooya233 in #66
• [Feat] Update Making shorts with ffmpeg by @sooya233 in #68
• [Feat] Update Face Clustering & Face Recognition by @sooya233 in #70
• [Feat] Modify ffmpeg code in make_shorts by @seungriyou in #71
• [Feat] Add laughter-detection api by @seungriyou in #72
• [Feat] Add context to separate laughter detection by @seungriyou in #73

Full Changelog: v0.2.0...v0.3.0