fix: reduced app size by a good margin

crates/bds-server/build.rs

@@ -0,0 +1,9 @@
+fn main() {
+    // syntect and fastembed both reach onig_sys across separate Rust dylibs.
+    // Keep the vendored static archive on this dylib's final native link line.
+    if std::env::var("CARGO_CFG_TARGET_ENV").as_deref() == Ok("msvc") {
+        println!("cargo:rustc-link-arg=onig.lib");
+    } else {
+        println!("cargo:rustc-link-arg=-lonig");
+    }
+}