(core) Add new packages to grist-core

Summary: Adds a few new NPM packages to grist-core.

Test Plan: Manually verified grist-core builds and runs.

Reviewers: paulfitz

Reviewed By: paulfitz

Subscribers: paulfitz

Differential Revision: https://phab.getgrist.com/D3000

package.json

@@ -23,6 +23,7 @@
   },
   "private": false,
   "devDependencies": {
+    "@types/accept-language-parser": "1.5.2",
     "@types/backbone": "1.3.43",
     "@types/chai": "4.1.7",
     "@types/chai-as-promised": "7.1.0",
@@ -74,6 +75,7 @@
     "@gristlabs/pidusage": "2.0.17",
     "@gristlabs/sqlite3": "4.1.1-grist.1",
     "@popperjs/core": "2.3.3",
+    "accept-language-parser": "1.5.0",
     "async-mutex": "0.2.4",
     "axios": "0.18.0",
     "backbone": "1.3.3",
@@ -100,6 +102,7 @@
     "jquery": "2.2.1",
     "js-yaml": "3.12.0",
     "knockout": "3.5.0",
+    "locale-currency": "0.0.2",
     "lodash": "4.17.15",
     "moment": "2.22.2",
     "moment-timezone": "0.5.21",