[Init] Rework entrypoint file

src/entry.ts

@@ -0,0 +1,15 @@
+import { ClientInfoManager } from "@lib/native";
+
+// This logs in the native logging implementation, e.g. logcat
+console.log("Hello from Vendetta!");
+
+(async () => (await import(".")).default().catch(e => {
+    console.log(e?.stack ?? e.toString());
+    alert([
+        "Failed to load Vendetta!\n",
+        `Build Number: ${ClientInfoManager.Build}`,
+        // @ts-expect-error, replaced in build script
+        `Vendetta: ${__vendettaVersion}`,
+        e?.stack || e.toString(),
+    ].join("\n"));
+}))();