Added a summary skill for more concise and faster results (#8)

[update] add screenshots to readme files

[update] change license badge link to local file

[fix] add mit license

[feature] merge dev/html updates to main (#5)

Merge pull request #4 from alaliqing/dev/listview

[fix] compact list cards and refine view toggle style

[feature] add grid and list paper card views

Merge pull request #3 from alaliqing/dev/tags

[update] improve tag editor input hint and clear all

[fix] let filter tags use more row width

[feature] add mandatory two-tag generation in study skill

[fix] keep tag input inside modal and reduce empty gap

[update] refine search filter sort bar alignment

[fix] repair tag saving and surface save errors