v1.2.1

What's Changed

Player fixes:

• Remove time tooltip over playhead by @Dananji in #99
• Add poster image for video player by @Dananji in #100

Transcript fixes:

• Change feedback for invalid transcript files by @Dananji in #102
• Fix WebVTT parser by @Dananji in #105
• Use mammoth to parse .doc to html, remove GDrive viewer by @Dananji in #106
• Change parser to use http response info to distinguish file types by @Dananji in #111
• Code cleanup by @Dananji in #112

Full Changelog: v1.2.0...v1.2.1