fix: http/https proxy (#7821)

* add http(s) proxy

* Add front-end translation

* fix ui description

* For linux platform, add rustls support

* fix: Fix the proxy address test function.

* add: Added default prompts for agency agreement and some multi-language translations

* add: Http proxy request client

* fix: add async http proxy func and format the code

* add: Preliminary support for flutter front-end calling rust back-end http request

* Optimize HTTP calls

* Optimize HTTP calls

* fix: Optimize HTTP requests, refine translations, and fix dependencies

* fix: Win and macOS compilation errors

* fix: web platforms

* fix: Optimize import

* fix: Fix web platform issues

* fix: Fix web platform issues

* fix: update ci

* fix: test ci

* test: test CI

* Revert "fix: update ci"

This reverts commit 2e5f247b2e.

* test: test CI

* test: test CI

* fix: fix lock file

* fix: Optimize imports

src/custom_server.rs

@@ -1,5 +1,9 @@
-use base64::{engine::general_purpose::URL_SAFE_NO_PAD, Engine as _};
-use hbb_common::{bail, sodiumoxide::crypto::sign, ResultType};
+use hbb_common::{
+    bail,
+    base64::{engine::general_purpose::URL_SAFE_NO_PAD, Engine as _},
+    sodiumoxide::crypto::sign,
+    ResultType,
+};
 use serde_derive::{Deserialize, Serialize};
 
 #[derive(Debug, PartialEq, Default, Serialize, Deserialize, Clone)]