moved from tauri to a server with embedded UI

server/build.rs

@@ -0,0 +1,23 @@
+use std::fs;
+use std::path::Path;
+
+fn main() {
+    let dist_dir = Path::new("../frontend/dist");
+
+    println!("cargo:rerun-if-changed=build.rs");
+
+    if let Ok(entries) = fs::read_dir(dist_dir) {
+        for entry in entries.flatten() {
+            let path = entry.path();
+            if path.is_dir() {
+                if let Ok(sub_entries) = fs::read_dir(&path) {
+                    for sub_entry in sub_entries.flatten() {
+                        println!("cargo:rerun-if-changed={}", sub_entry.path().display());
+                    }
+                }
+            } else {
+                println!("cargo:rerun-if-changed={}", path.display());
+            }
+        }
+    }
+}