better ESLINT

Former-commit-id: ff8b138c009cb242c6b2aa76326243401dccc7e1

package.json

@@ -12,6 +12,16 @@
   },
   "author": "Ben Kyd <benjaminkyd@gmail.com> (https://benkyd.co.uk)",
   "license": "MIT",
+  "eslintConfig": {
+    "extends": "portsoc",
+    "rules": {
+      "indent": ["error", 4]
+    },
+    "root": true,
+    "env": {
+      "browser": true
+    }
+  },
   "dependencies": {
     "axios": "^0.25.0",
     "cli-color": "^2.0.1",
@@ -24,5 +34,9 @@
     "node-fetch": "^2.6.7",
     "pg": "^8.7.3",
     "pg-native": "^3.0.0"
+  },
+  "devDependencies": {
+    "eslint": "^8.9.0",
+    "eslint-config-portsoc": "^1.0.0"
   }
 }