fix: support custom websocket rpc

Author: anoushk1234

tinydancer/src/macros.rs

@@ -3,6 +3,8 @@ macro_rules! convert_to_websocket {
     ($test:expr) => {
         if $test.contains("https") {
             $test.replace("https://", "wss://")
+        } else if $test.contains("http") {
+            $test.replace("http://", "ws://")
         } else {
             String::from("ws://0.0.0.0:8900")
         }

tinydancer/src/main.rs

@@ -318,7 +318,7 @@ pub fn get_endpoint(cluster: String) -> String {
         "Mainnet" => "https://api.mainnet-beta.solana.com".to_owned(),
         "Devnet" => "https://api.devnet.solana.com".to_owned(),
         "Localnet" => "http://0.0.0.0:8899".to_owned(),
-        _ => "http://0.0.0.0:8899".to_owned(),
+        _ => cluster.to_owned(),
     }
 }