Kemia kemia → 0.1.0 Clean up user interaction and rendering bugs

Closed Tickets

• ✔ #60 default layout should give margin around reaction for editing no tags ✓resolved
• ✔ #59 cursor should change to indicate rotate mode no tags ✓resolved
• ✔ #13 user should be able to drag to move an arrow or plus no tags ✓resolved
• ✔ #54 Changing atoms on 2 sides of equation causes bond to form no tags ✓resolved
• ✔ #24 adding single bond to benzene ring should not place new atom inside ring no tags ✓resolved
• ✔ #51 adding more than one molecule to a drawing should not add stray plus no tags ✓resolved
• ✔ #56 auto-placed arrow should be centered no tags ✓resolved
• ✔ #58 molecule hover should change cursor to hand no tags ✓resolved
• ✔ #61 editting mode should be clearly displayed to user no tags ✓resolved