Added new drug entry page
Added button
Added new state for drug creation page
Updated default route/state
Added visual indicators for input requirements
Removed limit on drug list filter
Added button to add new drug
Added function to navigate user to new drug entry view
Added function to add new drug to database
Added comments
Changed model names
Updated parameter list to addDrug function
Merge pull request #22 from mikefreeman/feat/HTML-customDrug

Added new drug entry page, route, and supporting functions