feat: Implement News Component

[ktun95]

CREATE

• [x] Mock Handler
• [x] /news/create page
• [x] Unit Testing
  • [x] Base Component
• [ ] E2E Testing

READ

• [x] Mock Handler
• [x] /news/[id]/show page
• [x] /news/[id]/editable page
  • [x] Fix Action Bar message
• [x] Unit Testing
  • [x] Base Component
  • [x] Editable Base Component
  • [x] EditableView
• [ ] E2E Testing

UPDATE

• [x] Mock Handler
• [x] /news/[id]/edit page
  • [x] Fix Action Bar message
• [x] Unit Testing
  • [x] Base Component
  • [x] EditView
• [ ] E2E Testing

DELETE

• [x] Mock Handler
• [x] Delete Button on /news/[id]/editable
• [x] Unit Testing
  • [x] Delete functionality on /news/[id]/editable
• [ ] E2E Testing

LIST

• [x] Mock Handler
• [x] /news page
• [x] /news/editable page
• [x] sort by date
• [x] truncate news item
• [x] Link to /news/create page
• [x] Unit Testing
  • [x] NewsView
  • [x] NewsItem
• [ ] E2E Testing
• [x] Error handling
  • [x] Show user-friendly UI when no news data are available

FRONT

• [x] Empty News View

UI IMPROVEMENTS

• [x] Safer delete UI, dialog box, etc.
• [ ] Action Bar for List View
• [x] Improved Action Bar Button Styling
• [x] Back to News List Link
• [ ] Delete News Item from list
• [x] Delete Button on /news/[id]/edit
• [ ] relative date formatting on Front
• [ ] All News link on /news/[id]/read
• [ ] Improve general styling
• [ ] gracefully handle content mutation failures