feat: do not use webpki roots in main example

examples/main.rs

@@ -8,6 +8,12 @@ use tokio_gemini::certs::{
     verifier::{SelfsignedCert, SelfsignedCertVerifier},
 };
 
+//
+// cargo add tokio_gemini
+// cargo add tokio -F macros,rt-multi-thread,io-util,fs
+// cargo add dashmap
+//
+
 #[tokio::main]
 async fn main() -> Result<(), tokio_gemini::LibError> {
     let mut args = std::env::args();
@@ -31,7 +37,6 @@ async fn main() -> Result<(), tokio_gemini::LibError> {
             .build()
     } else {
         tokio_gemini::Client::builder()
-            .with_webpki_roots() // TODO: do we really need them?
             .with_selfsigned_cert_verifier(CertVerifier::init().await?)
             .build()
     };