project restructure with Rust workspaces

crates/jarvis-app/build.rs

@@ -0,0 +1,10 @@
+fn main() {
+    // link to Vosk lib
+    // println!("cargo:rustc-link-lib=libvosk.dll");
+
+    let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
+    let lib_path = std::path::Path::new(&manifest_dir)
+        .join("..\\..\\lib\\windows\\amd64");
+    
+    println!("cargo:rustc-link-search=native={}", lib_path.display());
+}