refactor: #be lint

backend/.eslintignore

 coverage
 dist
 node_modules
+postgres-data

backend/.eslintrc.json

@@ -7,6 +7,7 @@
     "plugin:@typescript-eslint/recommended",
     "prettier"
   ],
+  "globals": { "document": true, "Chart": true },
   "rules": {
     "prettier/prettier": 2
   },