feat: 대역폭 추정 및 DAU 표시 기능 추가

- 동시접속자 기반 월간 대역폭 자동 추정
- DAU(일일활성사용자) 추정치 표시 (동접 × 10-14)
- 대역폭 기반 Linode/Vultr 자동 선택 로직
- 비용 분석에 대역폭 비용 포함
- 지역 미선택시 서울/도쿄/오사카/싱가포르 기본 표시
- 지역별 서버 분리 표시 (GROUP BY instance + region)

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

benchmark-data/data/suite/pts-viennacl.csv

@@ -0,0 +1,24 @@
+,idproc,descproc,percentile,nbproc,perf
+0,/s/NVIDIA+GeForce+RTX+3090,NVIDIA GeForce RTX 3090,100th,15,365 +/- 1
+1,/s/NVIDIA+GeForce+RTX+3080+Ti,NVIDIA GeForce RTX 3080 Ti,99th,4,357 +/- 1
+2,/s/NVIDIA+GeForce+RTX+3080,NVIDIA GeForce RTX 3080,99th,70,353 +/- 1
+3,/s/NVIDIA+GeForce+RTX+2080+Ti,NVIDIA GeForce RTX 2080 Ti,90th,7,306 +/- 2
+4,/s/NVIDIA+GeForce+RTX+3060+Ti,NVIDIA GeForce RTX 3060 Ti,87th,13,290 +/- 1
+5,/s/NVIDIA+GeForce+RTX+3070,NVIDIA GeForce RTX 3070,86th,13,289 +/- 6
+6,/s/NVIDIA+GeForce+RTX+2080+SUPER,NVIDIA GeForce RTX 2080 SUPER,86th,5,288
+7,/s/NVIDIA+GeForce+RTX+2070+SUPER,NVIDIA GeForce RTX 2070 SUPER,85th,5,280 +/- 2
+8,/s/Zotac+NVIDIA+GeForce+RTX+2080,Zotac NVIDIA GeForce RTX 2080,84th,5,279 +/- 1
+9,/s/NVIDIA+GeForce+RTX+2060+SUPER,NVIDIA GeForce RTX 2060 SUPER,83rd,10,277 +/- 1
+10,/s/eVGA+NVIDIA+GeForce+RTX+3060,eVGA NVIDIA GeForce RTX 3060,82nd,5,273 +/- 2
+11,/s/ASUS+NVIDIA+GeForce+RTX+2070,ASUS NVIDIA GeForce RTX 2070,81st,7,270 +/- 1
+13,/s/NVIDIA+Quadro+RTX+4000,NVIDIA Quadro RTX 4000,40th,588,248 +/- 3
+15,/s/NVIDIA+GeForce+RTX+2060,NVIDIA GeForce RTX 2060,8th,10,216 +/- 4
+16,/s/Intel+Xe+TGL+GT2,Intel Xe TGL GT2,7th,5,53
+17,/s/Intel+Iris+Plus+ICL+GT2,Intel Iris Plus ICL GT2,7th,5,34
+18,/s/ASUS+Intel+UHD+630+CML+GT2,ASUS Intel UHD 630 CML GT2,6th,3,31
+19,/s/Intel+UHD+630+CML+GT2,Intel UHD 630 CML GT2,5th,5,29
+20,/s/ASUS+Intel+UHD+630+CFL+GT2,ASUS Intel UHD 630 CFL GT2,5th,9,29 +/- 3
+21,/s/Intel+UHD+620+WHL+GT2,Intel UHD 620 WHL GT2,4th,6,24
+22,/s/Gigabyte+Intel+HD+530+SKL+GT2,Gigabyte Intel HD 530 SKL GT2,3rd,3,23
+23,/s/Intel+HD+530+SKL+GT2,Intel HD 530 SKL GT2,3rd,5,21
+24,/s/Intel+UHD+620+KBL+GT2,Intel UHD 620 KBL GT2,2nd,3,20