Remove CFB/NASCAR/PGA and streamline to 8 supported sports

- Remove College Football, NASCAR, and PGA from scraper and app
- Clean all data files (stadiums, games, pipeline reports)
- Update Sport.swift enum and all UI components
- Add sportstime.py CLI tool for pipeline management
- Add DATA_SCRAPING.md documentation
- Add WNBA/MLS/NWSL implementation documentation
- Scraper now supports: NBA, MLB, NHL, NFL, WNBA, MLS, NWSL, CBB

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Scripts/validate_data.py

@@ -22,7 +22,10 @@ from scrape_schedules import (
     scrape_nba_basketball_reference,
     scrape_mlb_statsapi, scrape_mlb_baseball_reference,
     scrape_nhl_hockey_reference,
-    NBA_TEAMS, MLB_TEAMS, NHL_TEAMS,
+    scrape_wnba_espn, scrape_mls_espn, scrape_nwsl_espn,
+    scrape_nfl_espn, scrape_cbb_espn,
+    NBA_TEAMS, MLB_TEAMS, NHL_TEAMS, WNBA_TEAMS, MLS_TEAMS, NWSL_TEAMS,
+    NFL_TEAMS,
     assign_stable_ids,
 )
 
@@ -136,7 +139,11 @@ def generate_game_key(game: Game) -> str:
 
 def normalize_team_name(name: str, sport: str) -> str:
     """Normalize team name variations."""
-    teams = {'NBA': NBA_TEAMS, 'MLB': MLB_TEAMS, 'NHL': NHL_TEAMS}.get(sport, {})
+    teams = {
+        'NBA': NBA_TEAMS, 'MLB': MLB_TEAMS, 'NHL': NHL_TEAMS,
+        'WNBA': WNBA_TEAMS, 'MLS': MLS_TEAMS, 'NWSL': NWSL_TEAMS,
+        'NFL': NFL_TEAMS,
+    }.get(sport, {})
 
     name_lower = name.lower().strip()
 
@@ -465,7 +472,7 @@ def main():
     parser.add_argument('--data-dir', type=str, default='./data', help='Data directory')
     parser.add_argument('--scrape-and-validate', action='store_true', help='Scrape fresh and validate')
     parser.add_argument('--season', type=int, default=2025, help='Season year')
-    parser.add_argument('--sport', choices=['nba', 'mlb', 'nhl', 'all'], default='all')
+    parser.add_argument('--sport', choices=['nba', 'mlb', 'nhl', 'nfl', 'wnba', 'mls', 'nwsl', 'cbb', 'all'], default='all')
     parser.add_argument('--output', type=str, default='./data/validation_report.json')
 
     args = parser.parse_args()