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-luxmark.csv

@@ -0,0 +1,42 @@
+,idproc,descproc,percentile,nbproc,perf
+0,/s/NVIDIA+GeForce+RTX+3070,NVIDIA GeForce RTX 3070,96th,84,51113
+1,/s/NVIDIA+GeForce+RTX+2080+Ti,NVIDIA GeForce RTX 2080 Ti,90th,10,42652 +/- 270
+2,/s/Gigabyte+NVIDIA+GeForce+GTX+1060,Gigabyte NVIDIA GeForce GTX 1060,90th,84,42258
+3,/s/AMD+Radeon+RX+64,AMD Radeon RX 64,87th,3,31914 +/- 760
+4,/s/Zotac+NVIDIA+GeForce+RTX+2080,Zotac NVIDIA GeForce RTX 2080,81st,8,30009 +/- 1816
+5,/s/ASUS+NVIDIA+GeForce+RTX+2070,ASUS NVIDIA GeForce RTX 2070,81st,4,29867 +/- 239
+6,/s/NVIDIA+GeForce+RTX+2070+Super,NVIDIA GeForce RTX 2070 Super,80th,85,28660
+7,/s/AMD+Radeon+RX+56,AMD Radeon RX 56,77th,3,27696 +/- 2729
+9,/s/NVIDIA+GeForce+RTX+2070+SUPER,NVIDIA GeForce RTX 2070 SUPER,74th,88,24823 +/- 972
+10,/s/NVIDIA+GeForce+RTX+2060,NVIDIA GeForce RTX 2060,68th,8,21436 +/- 261
+11,/s/NVIDIA+GeForce+GTX+1080+Ti,NVIDIA GeForce GTX 1080 Ti,65th,180,20975 +/- 375
+12,/s/AMD+Radeon+R9+Fury,AMD Radeon R9 Fury,57th,252,18556 +/- 1653
+13,/s/ASUS+NVIDIA+GeForce+GTX+1070,ASUS NVIDIA GeForce GTX 1070,57th,84,17570
+14,/s/NVIDIA+GeForce+GTX+1070,NVIDIA GeForce GTX 1070,54th,8,17272 +/- 90
+15,/s/NVIDIA+GeForce+GTX+980+Ti,NVIDIA GeForce GTX 980 Ti,54th,6,16837 +/- 68
+16,/s/Zotac+NVIDIA+GeForce+GTX+1070+Ti,Zotac NVIDIA GeForce GTX 1070 Ti,54th,5,16789 +/- 186
+17,/s/NVIDIA+GeForce+GTX+1070+Ti,NVIDIA GeForce GTX 1070 Ti,54th,84,16522
+19,/s/eVGA+NVIDIA+GeForce+GTX+1660+Ti,eVGA NVIDIA GeForce GTX 1660 Ti,48th,4,16158 +/- 42
+20,/s/ASUS+NVIDIA+GeForce+GTX+1660,ASUS NVIDIA GeForce GTX 1660,48th,3,15278 +/- 133
+21,/s/AMD+Radeon+RX+470,AMD Radeon RX 470,48th,3,15086 +/- 153
+22,/s/MSI+AMD+Radeon+RX+580,MSI AMD Radeon RX 580,48th,3,14948 +/- 52
+23,/s/MSI+AMD+Radeon+RX+470,MSI AMD Radeon RX 470,48th,4,14939 +/- 458
+24,/s/AMD+Radeon+RX+580,AMD Radeon RX 580,45th,169,14805 +/- 86
+25,/s/NVIDIA+GeForce+GTX+1080,NVIDIA GeForce GTX 1080,42nd,7,13808 +/- 30
+26,/s/NVIDIA+GeForce+GTX+980,NVIDIA GeForce GTX 980,42nd,5,13240 +/- 37
+27,/s/NVIDIA+GeForce+GTX+1060,NVIDIA GeForce GTX 1060,41st,9,12291 +/- 87
+28,/s/NVIDIA+GeForce+GTX+1060+6GB,NVIDIA GeForce GTX 1060 6GB,38th,170,12187 +/- 38
+29,/s/eVGA+NVIDIA+GeForce+GTX+970,eVGA NVIDIA GeForce GTX 970,36th,6,11784 +/- 72
+30,/s/ASUS+NVIDIA+GeForce+GTX+1650,ASUS NVIDIA GeForce GTX 1650,35th,3,9611 +/- 83
+31,/s/AMD+Radeon+Pro+WX+5100,AMD Radeon Pro WX 5100,35th,84,8857
+32,/s/NVIDIA+Quadro+P2000,NVIDIA Quadro P2000,33rd,84,8856
+33,/s/eVGA+NVIDIA+GeForce+GTX+960,eVGA NVIDIA GeForce GTX 960,27th,4,6679 +/- 72
+34,/s/NVIDIA+Quadro+P1000,NVIDIA Quadro P1000,27th,84,5550
+36,/s/AMD+Radeon+Pro+WX+4100,AMD Radeon Pro WX 4100,24th,84,5427
+37,/s/Intel+HD+4600,Intel HD 4600,21st,86,4962
+38,/s/NVIDIA+Quadro+M1000M,NVIDIA Quadro M1000M,18th,84,3730
+39,/s/NVIDIA+GeForce+GTX+660,NVIDIA GeForce GTX 660,16th,84,3632
+40,/s/Intel+Iris+Pro+6200,Intel Iris Pro 6200,13th,84,3130
+41,/s/Intel+UHD+620,Intel UHD 620,10th,84,1723
+42,/s/ASUS+NVIDIA+GeForce+GT+710,ASUS NVIDIA GeForce GT 710,7th,84,684
+43,/s/NVIDIA+NVS+315,NVIDIA NVS 315,4th,84,254