feat(proxy): add proxy commands and integrate with API

Add new proxy.rs module with get_proxies and get_providers_proxies commands.
Update mod.rs and lib.rs to re-export and register proxy commands.
Update API.ts to use invoke for proxy commands.
Minor formatting improvements in module/mihomo.rs.

src-tauri/src/lib.rs

@@ -162,6 +162,8 @@ pub fn run() {
             cmd::get_runtime_logs,
             cmd::invoke_uwp_tool,
             cmd::copy_clash_env,
+            cmd::get_proxies,
+            cmd::get_providers_proxies,
             // verge
             cmd::get_verge_config,
             cmd::patch_verge_config,