Add ansi_term for colorful displays!

Cargo.lock

@@ -192,6 +192,7 @@ dependencies = [
 name = "teascade-generator"
 version = "0.1.0"
 dependencies = [
+ "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pulldown-cmark 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

@@ -10,3 +10,4 @@ structopt = "*"
 serde = "*"
 serde_derive = "*"
 regex = "*"
+ansi_term = "*"

src/logger.rs

@@ -1,3 +1,5 @@
+use ansi_term::Color::{Blue, Cyan, Red, Yellow};
+
 pub struct Logger {
     log_level: LogLevel,
 }
@@ -11,11 +13,11 @@ impl Logger {
         if self.log_level.clone() as i32 >= log_level.clone() as i32 {
             match log_level {
                 LogLevel::QUIET => (),
-                LogLevel::SEVERE => eprintln!("[SEVERE]: {}", message.into()),
-                LogLevel::INFO => println!("[INFO]: {}", message.into()),
-                LogLevel::WARNING => eprintln!("[WARNING]: {}", message.into()),
-                LogLevel::DETAIL => println!("[DETAIL]: {}", message.into()),
-                LogLevel::DETAILER => println!("[DETAILER]: {}", message.into()),
+                LogLevel::SEVERE => eprintln!("{}: {}", Red.paint("[SEVERE]"), message.into()),
+                LogLevel::INFO => println!("{}: {}", Cyan.paint("[INFO]"), message.into()),
+                LogLevel::WARNING => println!("{}: {}", Yellow.paint("[WARNING]"), message.into()),
+                LogLevel::DETAIL => println!("{}: {}", Blue.paint("[DETAIL]"), message.into()),
+                LogLevel::DETAILER => println!("{}: {}", Blue.paint("[DETAILER]"), message.into()),
             }
         }
     }

src/main.rs

@@ -1,3 +1,4 @@
+extern crate ansi_term;
 extern crate pulldown_cmark;
 extern crate regex;
 #[macro_use]