feat: update default prompt style

src/main.rs

@@ -1,6 +1,6 @@
 use crate::builtins::BuiltinConfig;
 use crate::prompt::Prompt;
-use colored::*;
+use colored::Colorize;
 use execute::interpret;
 use rustyline::config::Configurer;
 use rustyline::error::ReadlineError;
@@ -26,7 +26,7 @@ fn main() -> Result<()> {
     let mut prompt = Prompt::new();
     let mut config = BuiltinConfig::new();
 
-    println!("Welcome, {}.", username().bright_green().bold());
+    println!("\nWelcome, {}.", username().bright_green().bold());
 
     loop {
         let readline = rl.readline(&prompt.get_prompt());

src/prompt.rs

@@ -1,3 +1,4 @@
+use colored::Colorize;
 use std::env;
 
 #[derive(Clone)]
@@ -17,7 +18,31 @@ impl PromptStyle {
     }
 
     fn fmt_default(&self) -> String {
-        "» ".to_string()
+        let current = env::current_dir().unwrap_or_default();
+        let home = dirs::home_dir().unwrap_or_default();
+
+        let dir = if current.starts_with(home.clone()) {
+            let mut path = "~/".to_string();
+
+            path.push_str(
+                current
+                    .as_path()
+                    .strip_prefix(home)
+                    .unwrap()
+                    .to_str()
+                    .unwrap_or_default(),
+            );
+
+            path
+        } else {
+            current.into_os_string().into_string().unwrap_or_default()
+        };
+
+        format!(
+            "\n{}\n{} ",
+            dir.bright_cyan().bold(),
+            "»".bright_green().bold()
+        )
     }
 
     fn fmt_simple_directory(&self) -> String {