added case insensitivity to commands

src/main.rs

@@ -157,6 +157,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
 
     let framework = RegexFramework::new(logged_in_id)
         .default_prefix(DEFAULT_PREFIX.clone())
+        .case_insensitive(env::var("CASE_INSENSITIVE").map_or(true, |var| var == "1"))
         .ignore_bots(env::var("IGNORE_BOTS").map_or(true, |var| var == "1"))
         // info commands
         .add_command("ping", &info_cmds::PING_COMMAND)