feat(v1.4.0): exports + smart year level + progress + encrypted passwords

v1.4.0: CSV/Excel/JSON/NextUp exports, units-first smart year standing, live export progress bar, AES-GCM at-rest password encryption.

package.json

@@ -5,9 +5,11 @@
   "description": "Firefox extension for the USC ISMIS portal",
   "scripts": {
     "test": "node --test",
-    "build": "node scripts/build.js all"
+    "build": "node scripts/build.js all",
+    "sign": "web-ext sign --source-dir dist/firefox --channel unlisted --artifacts-dir dist --api-key \"$AMO_JWT_ISSUER\" --api-secret \"$AMO_JWT_SECRET\""
   },
   "devDependencies": {
-    "pdf-lib": "^1.17.1"
+    "pdf-lib": "^1.17.1",
+    "web-ext": "^8.3.0"
   }
 }