refactor: changed default live reloading port to 3100

To my knowledge, this is usually free, but changing this isn't a
breaking change, so it's no big deal.

Author: arctic-hen7

packages/perseus-cli/src/reload_server.rs

@@ -100,7 +100,7 @@ pub fn order_reload() {
 /// Gets the host and port to run the reload server on.
 fn get_reload_server_host_and_port() -> (String, u16) {
     let host = env::var("PERSEUS_RELOAD_SERVER_HOST").unwrap_or_else(|_| "localhost".to_string());
-    let port = env::var("PERSEUS_RELOAD_SERVER_PORT").unwrap_or_else(|_| "8090".to_string());
+    let port = env::var("PERSEUS_RELOAD_SERVER_PORT").unwrap_or_else(|_| "3100".to_string());
     let port = port
         .parse::<u16>()
         .expect("reload server port must be a number");

packages/perseus/src/server/html_shell.rs

@@ -96,7 +96,7 @@ impl<'a> HtmlShell<'a> {
             let host =
                 env::var("PERSEUS_RELOAD_SERVER_HOST").unwrap_or_else(|_| "localhost".to_string());
             let port =
-                env::var("PERSEUS_RELOAD_SERVER_PORT").unwrap_or_else(|_| "8090".to_string());
+                env::var("PERSEUS_RELOAD_SERVER_PORT").unwrap_or_else(|_| "3100".to_string());
             scripts_before_boundary
                 .push(format!("window.__PERSEUS_RELOAD_SERVER_HOST = '{}'", host).into());
             scripts_before_boundary