Initial config with a few files that build on client and server side.

package.json

@@ -0,0 +1,31 @@
+{
+  "name": "grist-core",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "tsc --build app -w --preserveWatchOutput & webpack --config buildtools/webpack.config.js --mode development --watch --hide-modules & nodemon -w build/app/server -w build/app/common build/app/server/server & wait",
+    "build:prod": "tsc --build app && webpack --config buildtools/webpack.config.js --mode production",
+    "start:prod": "node build/app/server/server"
+  },
+  "keywords": [],
+  "author": "",
+  "devDependencies": {
+    "@types/express": "^4.17.6",
+    "@types/lodash": "^4.14.151",
+    "@types/node": "10",
+    "moment-locales-webpack-plugin": "^1.2.0",
+    "nodemon": "^2.0.4",
+    "source-map-loader": "^0.2.4",
+    "stats-webpack-plugin": "^0.7.0",
+    "typescript": "^3.9.2",
+    "webpack": "^4.43.0",
+    "webpack-cli": "^3.3.11"
+  },
+  "dependencies": {
+    "express": "^4.17.1",
+    "grainjs": "^1.0.1",
+    "lodash": "^4.17.15",
+    "moment": "^2.25.3"
+  }
+}