Add basic Vencord injection

src/main/vencord.ts

@@ -0,0 +1,22 @@
+const BASE_URL = "https://github.com/Vendicated/Vencord/releases/download/devbuild/";
+
+let VencordScripts: Record<"js" | "css", string>;
+
+async function get(url: string) {
+    const res = await fetch(url);
+    if (!res.ok) throw new Error(`Failed to fetch ${url}: ${res.status} ${res.statusText}`);
+
+    return res.text();
+}
+
+export async function fetchVencord() {
+    if (!VencordScripts) {
+        const [js, css] = await Promise.all([
+            get(BASE_URL + "/browser.js"),
+            get(BASE_URL + "/browser.css")
+        ]);
+        VencordScripts = { js, css };
+    }
+
+    return VencordScripts;
+}