start command

package-lock.json

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@@ -2487,6 +2586,12 @@
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@@ -2926,6 +3031,15 @@
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@@ -6064,6 +6289,12 @@
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+        "string-width": "^2.0.0",
+        "which-module": "^2.0.0",
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+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
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+      "dev": true,
+      "requires": {
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
+      },
+      "dependencies": {
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+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.2.0.tgz",
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+          "dev": true
+        }
+      }
     }
   }
 }

package.json

@@ -4,7 +4,7 @@
   "private": true,
   "scripts": {
     "install": "./scripts/install.sh",
-    "start": "cd client && npm run start",
+    "start": "concurrently \"cd client && npm run start\" \"cd server && npm run start-watch\"",
     "build": "./scripts/build.sh",
     "test": "npm run lint && scripts/test.sh",
     "format:js": "prettier --parser typescript --write '**/*.{js,jsx,ts,tsx}'",
@@ -19,6 +19,7 @@
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^1.4.2",
     "@typescript-eslint/parser": "^1.4.2",
+    "concurrently": "^4.1.0",
     "eslint": "5.12.0",
     "eslint-config-oceanprotocol": "^1.3.0",
     "eslint-config-prettier": "^4.1.0",