feat: add corrected APR and ROI data CSV file and update .gitignore

.gitignore

@@ -132,4 +132,4 @@ tmp/
 # Generated files
 *.html
 *.png
-*.csv
+

corrected_apr_roi_data.csv

@@ -0,0 +1,37 @@
+Date,APR,ROI,Adjusted_APR
+2025-04-24,-12.46685926,-0.8079638339,-26.68666667
+2025-04-25,-12.75725721,-17.16352746,-11.255
+2025-04-26,-57.26140481,-15.58371631,-72.6625
+2025-04-27,28.50191842,3.74286069,38.22
+2025-04-28,168.9053169,22.65009097,179.99
+2025-04-29,215.0207539,24.13395909,213.1283333
+2025-04-30,161.6947009,16.62350681,171.8925
+2025-05-01,143.3967952,15.01256508,153.74
+2025-05-02,435.0863194,58.47000594,443.5625
+2025-05-03,-26.30908606,-3.941697441,-28.2875
+2025-05-04,-58.15430266,-5.876163998,-31.26845
+2025-05-05,29.62976988,3.883162313,22.554264
+2025-05-06,9.044433463,1.091217535,13.650053
+2025-05-07,69.36996876,8.2509738,56.129077
+2025-05-08,108.5778509,11.94484474,-41.846377
+2025-05-09,-36.90194483,-5.34451751,-72.374234
+2025-05-10,-81.03919094,-13.42662059,-130.986584
+2025-05-11,-68.94379009,-11.3829509,-52.162572
+2025-05-12,-15.74926761,-1.896490097,-8.310549
+2025-05-13,-6.637049593,-0.6693299225,-47.396009
+2025-05-14,5.610087137,0.71123187,25.620534
+2025-05-15,22.63669196,2.851071668,27.239694
+2025-05-16,101.2465534,13.13291352,72.825896
+2025-05-17,-64.39880323,-10.60184517,-212.519872
+2025-05-18,-52.62703736,-6.995893411,-31.617121
+2025-05-19,-4.09851228,-0.40308984,-16.878149
+2025-05-20,14.58518725,1.681071903,7.807974
+2025-05-21,10.87989287,1.30334432,2.586204
+2025-05-22,4.879571507,0.619037456,-18.97861
+2025-05-23,10.41388026,1.24600874,31.531374
+2025-05-24,-13.39043028,-1.813434464,-7.039087
+2025-05-25,-23.56847958,-3.51110394,-19.862648
+2025-05-26,-21.85055074,-2.58899862,-31.064766
+2025-05-27,-10.18089882,-1.359963996,-39.581903
+2025-05-28,-7.71710982,-0.78076962,-0.977322
+2025-05-29,-3.45090984,-0.3380187,-12.790661