v0.6

• Improvement for rank shortcut (by TomatoSoup0126)
• Switch button for filtering out unresolved assignments (by miayang0513)
• New icons (by yohored)
• Fix typo in README (by ShihTingJustin)

v0.5 - new feature, bug fixed, eslint implementation

• create buttons for adding 批改等第 and tag student @TomatoSoup0126 🚀
• implement eslint and restructure project @miayang0513 💪
• fix url pattern for showUnresolvedAssignments button @tsungtingdu