3.1.0

• feat(playlist): playlist file indexing and basic playlist components, auto continue play, export to m3u8 (fe2c160, 37058bc, 7414cd7)
• feat(audio-rec): add recording timestamp (db5cca5)
• feat(command): config speed step (1f436b4)
• fix(command): notice is always shown in corresponding target's window (f5b7cdb)
• fix(webview): improve stability of youtube player (f649692)
• fix(webview): improve stability of default volume (0edd851)
• fix(editor): unsupported notice on file-url embed of in-vault media in live preview (4be3ff5)
• fix: fix in-vault file url resoltion (0c1399b)
• fix(view): fix timestamp print invalid file url (9631f67)
• fix(url): fix hostname bilibili.com not detected (2e4dc59)