Use map instead of pushing to a new vec

Cargo.lock

@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "circe"
-version = "0.1.1"
+version = "0.1.2"
 dependencies = [
  "serde",
  "serde_derive",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "circe"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 license = "Unlicense"
 description = "IRC crate in Rust"

src/lib.rs

@@ -403,10 +403,7 @@ impl Config {
         username: &str,
     ) -> Self {
         // Conversion from &'static str to String
-        let mut channels_config = Vec::new();
-        channels
-            .iter()
-            .for_each(|channel| channels_config.push(channel.to_string()));
+        let channels_config = channels.iter().map(|channel| channel.to_string()).collect();
 
         let mode_config: Option<String>;
         if mode.is_some() {