chore: bootstrap mv3 extension project

src/content/index.ts

@@ -0,0 +1,21 @@
+const MARKET_ORIGIN = "https://xingtu.cn";
+const MARKET_PATH_PREFIX = "/ad/creator/market";
+
+function isMarketPage(locationUrl: URL): boolean {
+  return (
+    locationUrl.origin === MARKET_ORIGIN &&
+    locationUrl.pathname.startsWith(MARKET_PATH_PREFIX)
+  );
+}
+
+function bootstrap(): void {
+  const locationUrl = new URL(window.location.href);
+
+  if (!isMarketPage(locationUrl)) {
+    return;
+  }
+
+  console.debug("[star-chart-search-enhancer] content script bootstrapped");
+}
+
+bootstrap();