update (#3)

* feature: store

* feature: finish almost feature, store before refactor

* feature: bug

* feature: finish

* fearture: finish agian

* feature: add pdf download and update storage from sync to local

* feature: fix

* feature: update storage size to unlimited

manifest.json

@@ -2,7 +2,7 @@
     "name": "instant-note",
     "version": "0.1",
     "description": "instant note",
-    "permissions": ["activeTab", "declarativeContent", "storage", "tabs"],
+    "permissions": ["activeTab", "declarativeContent", "storage", "unlimitedStorage", "tabs"],
     "background": {
         "scripts": ["background.js"],
         "persistent": false