feat: Attachment files system.

client/package.json

@@ -40,6 +40,7 @@
     "eslint-plugin-react": "7.18.0",
     "eslint-plugin-react-hooks": "^1.6.1",
     "file-loader": "4.3.0",
+    "flow-bin": "^0.123.0",
     "formik": "^2.1.4",
     "fs-extra": "^8.1.0",
     "html-webpack-plugin": "4.0.0-beta.11",
@@ -54,6 +55,7 @@
     "moment": "^2.24.0",
     "node-sass": "^4.13.1",
     "optimize-css-assets-webpack-plugin": "5.0.3",
+    "p-progress": "^0.4.2",
     "pnp-webpack-plugin": "1.6.0",
     "postcss-flexbugs-fixes": "4.1.0",
     "postcss-loader": "3.0.0",
@@ -65,6 +67,7 @@
     "react-body-classname": "^1.3.1",
     "react-dev-utils": "^10.2.0",
     "react-dom": "^16.12.0",
+    "react-dropzone": "^11.0.1",
     "react-grid-system": "^6.2.3",
     "react-hook-form": "^4.9.4",
     "react-intl": "^3.12.0",
@@ -97,7 +100,8 @@
   "scripts": {
     "start": "PORT=8000 node scripts/start.js",
     "build": "node scripts/build.js",
-    "test": "node scripts/test.js"
+    "test": "node scripts/test.js",
+    "flow": "flow"
   },
   "eslintConfig": {
     "extends": "react-app"
@@ -115,6 +119,7 @@
     ]
   },
   "devDependencies": {
+    "@babel/preset-flow": "^7.9.0",
     "http-proxy-middleware": "^1.0.0",
     "redux-devtools": "^3.5.0"
   },