v0.3.0

Improve UI/UX

• Adjust colors for buttons
  Header Panel
• New selection tool buttons
  • Move 'Add Station' and 'Draw Path' inside 'Create Train Line' to save space and indicate fine-tuning
  • Replace Select icon
• New Line Style buttons
  Announcement Panel
• Rename 'Audio Queue' -section to 'Audio Control Panel'
  • Add new Train Line audio queue selection with chevron arrows to cycle if canvas has multiple Train Lines
  • Rename 'Transcription' to 'Captions' and move it to Audio Control Panel
    Train Line Preset Panel
• Train Line Presets are more compact to allow more lines to be added
• Change tooltip bottom panel to be description panel of selected preset
  Canvas
• Allow the creation of loop lines by combining first and last stations
  • New modal pop-up to select which station to merge with or cancel operation
• Add interactable Legends that open Edit Panel for 'Edit Line'
• Improve Edit Panel for 'Edit Station' and 'Edit Line' sections
• Change 'Center View' icon
  Misc
• Standardize button styling
• Memoization in announcement panel
• Consolidate audio control logic
• Remove unused code and redundant comments