use standard environments

nodemon.json

@@ -1,6 +0,0 @@
-{
-  "watch": ["src/environments"],
-  "ext": "ts",
-  "ignore": ["src/environments/environment.ts", "src/environments/mock-environment.ts"],
-  "exec": "ts-node --project ./tsconfig.ts-node.json scripts/set-env.ts --dev"
-}