Use fork of lowdb-api to workaround issue

See here for more information: rmariuzzo/lowdb-api#5.

Author: fschrempf

package.json

@@ -15,7 +15,7 @@
     "jquery": "^3.4.1",
     "jquery-ui-dist": "^1.12.1",
     "jsgrid": "git+https://github.com/fri-sch/jsgrid.git#b2c0d6fd39c3fa1999c9bddcab3dba3259972152",
-    "lowdb-api": "^1.0.3",
+    "lowdb-api": "git+https://github.com/fri-sch/lowdb-api.git#869c1019ef4d7433501ebc6429559cf5e57e360d",
     "mustache": "^3.0.3",
     "reveal.js": "^3.8.0",
     "socket.io": "^2.2.0"