[FEAT] Add A_sector output(.csv)

[PRAHE]

정상 기업: 505개
상폐 기업: 100개

=== 정상 기업 GICS 분포 ===
gics_sector
Information Technology 388
Communication Services 80
Consumer Discretionary 37
Name: count, dtype: int64

=== 상폐 기업 GICS 분포 ===
gics_sector
Information Technology 70
Consumer Discretionary 15
Communication Services 15
Name: count, dtype: int64