qatarcars 1.1.0

• Made some minor corrections to the data based on reviewer feedback (dropped one BMW, reclassified eight cars, and added six new cars)
• Fixed two typos in the data where values were accidentally across some cells
• Updated canonical URL to original .dta file to https://qatarcars.georgetown.domains/qatarcars.dta
• Added reference/citation information to DESCRIPTION and inst/CITATION
• Fix badges in README
• Added functions for converting from QAR to USD and EUR:
  • From QAR: qar_to_usd() and qar_to_eur()
  • From USD: usd_to_qar() and usd_to_eur()
  • From EUR: eur_to_qar() and eur_to_usd()
• Added documentation to the README on converting between SI and US customary units
• Added Qatari maroon color as qatar_maroon

qatarcars 1.0.0

• Initial CRAN submission.