updates to v1.9.0

[saiemgilani]

• Update github repository links from user @saiemgilani to @sportsdataverse and production branch from main to master.
• Upgrade pkgdown from bootstrap v3 to bootstrap v5 and remove algolia search.

Added functions to access ESPN API:

• espn_cfb_calendar()
• espn_cfb_schedule()
• Added EPA and WPA processing to espn_cfb_pbp()
• espn_cfb_team_stats()

Added functions to pull data from the data repo:

• load_cfb_rosters()

• load_cfb_schedules()

• load_cfb_teams()

• All functions now default to return tibbles.

• Added S3 method to print outputs with data info and retrieval timestamps. Thank you to Tan Ho (@tanho63) for the idea.

• Added espn_ratings_fpi() to exports.

• Added cfbd_recruiting_transfer_portal().

• Fixed bug in cfbd_game_team_stats() with _allowed columns duplicating team stats instead of showing opponent stats.

• Updated tests and documentation for cfbd_game_team_stats().

• Updated function cfbd_pbp_data() to account for additional timeout cases (namely, kickoffs/extra point attempts).

• Updated tests and documentation for cfbd_betting_lines()

• API call in espn_ratings_fpi() now requires headers in httr request