Add Rust modules: paths, jsonl, usage, watch, commands, state, settings

src-tauri/src/main.rs

@@ -0,0 +1,6 @@
+// Hide the console window in release builds. In debug we keep it for tracing logs.
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    claude_usage_widget_lib::run();
+}