feat: implement file upload handling in controller with size and type validation;
feat: add custom validation rules for bio and color hex fields;
refactor: enhance request handling with dedicated client info extraction;
chore: update profile DTOs with validation tags;
docs: profile controller swagger
feat: ControllerMethod struct for storing data about an individual API endpoint;
feat: controllerImpl struct for setting up a controller;
feat: GetRequest method for parsing and validating a request with automatic abortion on binding/validation errors