Code and tech doc review checklist

[heathem]

• [x] Standardize precision across output .csv files
• [x] Introduce Dr. Davendra and Dr. Chin-Mei Chueh in reports
• [x] Add "Index" header to first column in output
• [x] Remove space between $ in example output
• [x] Change "time difference" to "Time elapsed"
• [x] Center plot titles(add " + theme(plot.title = element_text(hjust = 0.5))" at the end of the ggplot command)
• [x] Change plot colors to light blue
• [x] Death plot axis labels - "Age of death", "Frequency"
• [x] Add contact information (CWU Emails) to report
• [x] Change "yearly" annuity to "monthly"
• [x] Change images on tech doc to match new output

[heathem]

instead of adding "Index" header to first column in output, I just removed the row titles.