Update .gitignore to exclude all documentation and test files

.gitignore

@@ -18,11 +18,32 @@ logs/
 *.pdf
 
 # Documentation (keep only README.md)
+*.md
+!README.md
 FINAL_SYSTEM_SUMMARY.md
 QUOTE_DATA_EXTRACTION_FIX.md
 WHY_NO_SEDAR_FOR_AAPL.md
 QUOTE_DATA_FIX.md
 PROGRESS.md
+BOSS_SUBMISSION.md
+DATABASE_FIX.md
+FINAL_COMPLETE.md
+FINAL_SUMMARY.md
+FIXES_APPLIED.md
+GUIDE.md
+ISSUES_RESOLVED.md
+METRICS_FIXED.md
+NASDAQ_TSX_AUTOMATION_SUMMARY.md
+NULL_METRICS_EXPLAINED.md
+PRODUCTION_READY.md
+QUICKREF.md
+REPORT_REGENERATION_COMPLETE.md
+SUCCESS_REPORT.md
+SUMMARY.md
+SYSTEM_STATUS.md
+TEST_RESULTS.md
+*.txt
+!requirements.txt
 
 # Unnecessary/test scripts
 scraper_fresh.py
@@ -30,11 +51,23 @@ quick_batch_rescrape.py
 rescrape_all_and_generate_reports.py
 test_*.py
 debug_*.py
+analyze.py
+config.py
+daily_automation.py
+extract_listings.py
+main.py
+populate_database.py
+scrape_nasdaq_tsx_only.py
+setup.py
+FLOW_DIAGRAM.py
 
 # Scrapy artifacts
 scrap/
 scrapy.cfg
 clean.py
+cleaned_text/
+watchlist.txt
+data.zip
 
 # Backup files
 crontab_backup_*.txt