chore: set api captions Access-Control-Allow-Origin to all

Author: unixfox

src/routes/invidious_routes/captions.ts

@@ -64,7 +64,7 @@ captionsHandler.get("/:videoId", async (c) => {
             invidiousAvailableCaptionsArr.push({
                 label: caption_track.name.text || "",
                 languageCode: caption_track.language_code,
-                url: `/api/v1/captions/${videoId}?label=${
+                url: `${config.server.base_path}/api/v1/captions/${videoId}?label=${
                     encodeURIComponent(caption_track.name.text || "")
                 }`,
             });
@@ -89,6 +89,7 @@ captionsHandler.get("/:videoId", async (c) => {
     if (filterSelected.length == 0) throw new HTTPException(404);
 
     c.header("Content-Type", "text/vtt; charset=UTF-8");
+    c.header("Access-Control-Allow-Origin", "*");
     return c.body(
         await handleTranscripts(innertubeClient, videoId, filterSelected[0]),
     );