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+[x] store note in chrome.storage
+[x] jump to the note context
+[x] store tag in chrome.storage
+[x] show the rects at initial state if this page has
+[x] delete note
+[x] url change clear the highlights
+more precise rects selection rather than coor (select the real dom by text)
+open link brings the note-id so can jump to note also
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