feat: add resource limits management and network client integration

- Introduced a new module for managing process resource limits, specifically for raising the open file limit on Unix systems.
- Added a `NetworkClients` struct to handle reusable outbound HTTP clients, improving network request management.
- Updated various components, including `ControlService` and `CursorProxy`, to utilize the new network client structure for better client handling.
- Enhanced the API router to accept network clients, ensuring consistent client usage across different services.
- Added tests to validate the integration of network clients and resource limits functionality.

apps/desktop/src-tauri/src/lib.rs

@@ -1,6 +1,7 @@
 mod desktop;
 #[cfg(not(dev))]
 mod frontend;
+mod resource_limits;
 mod startup;
 mod tray;