Use webpack and TypeScript

• Use webpack to compile javascript and sass into minified bundles
• Migrate entirely to components and TypeScript
• Improve testing and debugging workflows
• Update to Bootstrap v5
• Remove unnecessary dependencies and simplify app
• Prepare for upgrade to Angular (coming later)

Maintainability Improvements 2021

• Updated to Angular 1.8.x
• Implemented data service
• Implemented many directives as components
• reduced dependencies
• Updated to Bootstrap 4.6
• Simplified styles
• Migrated site to Firebase