修复：增加qrcode依赖

Author: modstart

package.json

@@ -75,6 +75,7 @@
         "lodash-es": "^4.17.21",
         "nodejs-base64": "^2.0.0",
         "pinia": "^2.1.7",
+        "qrcode": "^1.5.4",
         "showdown": "^2.1.0",
         "splitpanes": "^3.1.5",
         "sqlite3": "^5.1.7",