shell: timestamp the console.log output

Cargo.lock

···
 version = "0.1.0"
 dependencies = [
  "axum",
+ "chrono",
  "dirs",
  "embedder_traits",
  "euclid",

htmlshell/Cargo.toml

···
 
 [dependencies]
 axum = { version = "0.8", features = ["http2"] }
+chrono = { workspace = true }
 dirs = "6.0"
 euclid = { workspace = true }
 embedder_traits = { workspace = true }

htmlshell/src/main.rs

···
 use std::path::PathBuf;
 use std::rc::Rc;
 
+use chrono::{DateTime, Local};
 use euclid::Scale;
 #[cfg(feature = "global-hotkeys")]
 use hotkeys::HotkeyManager;
···
     }
 
     fn show_console_message(&self, _webview: WebView, level: ConsoleLogLevel, message: String) {
-        println!("[{level:?}] {message}");
+        let current_local: DateTime<Local> = Local::now();
+        let time = current_local.format("%T%.3f");
+        println!("[{time}][{level:?}] {message}");
     }
 
     fn request_create_embedded(&self, parent_webview: WebView, request: CreateNewWebViewRequest) {
···
     }
 
     fn show_console_message(&self, level: ConsoleLogLevel, message: String) {
-        println!("[{level:?}] {message}");
+        let current_local: DateTime<Local> = Local::now();
+        let time = current_local.format("%T%.3f");
+        println!("[{time}][{level:?}] {message}");
     }
 
     fn request_open_new_os_window(&self, url: Url, features: &str) {