Write text content to a file on the instance.
curl -X PUT https://api.chowder.dev/v1/instances/ins_abc123/files/content \ -H "Authorization: Bearer YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "path": "config/custom.json", "content": "{\n \"key\": \"value\"\n}" }'
No Content
204 No Content