fix clippy issue

src/config/base_config.rs

@@ -1,6 +1,10 @@
 use crate::utils::shell::Shell;
 
-use super::{config_value::ConfigValue, json_config::JsonConfig, yaml_config::YamlConfig};
+use super::{
+    config_value::ConfigValue,
+    json_config::JsonConfig,
+    yaml_config::{YamlConfig, ALLOWED_EXTENSIONS},
+};
 
 #[derive(Debug)]
 pub struct Command {
@@ -28,11 +32,11 @@ pub trait BaseConfig {
 fn get_config_handler(config_path: &str) -> Result<Box<dyn BaseConfig>, String> {
     let file_ending = config_path.split('.').last().unwrap();
 
-    return match file_ending {
-        file_ending if file_ending == "yml" || file_ending == "yaml" => Ok(Box::new(YamlConfig {})),
-        file_ending if file_ending == "json" => Ok(Box::new(JsonConfig {})),
-        _ => Err(format!("Unsupported config file format: .{}", file_ending)),
-    };
+    match file_ending {
+        file_ending if ALLOWED_EXTENSIONS.contains(&file_ending) => Ok(Box::new(YamlConfig {})),
+        "json" => Ok(Box::new(JsonConfig {})),
+        _ => Err(format!("Unsupported config file type: {}", file_ending)),
+    }
 }
 
 pub fn get_config(config_path: &str) -> Result<TaskList, String> {

src/config/yaml_config.rs

@@ -11,7 +11,7 @@ use super::config_value::ConfigValue;
 #[derive(Debug)]
 pub struct YamlConfig {}
 
-static ALLOWED_EXTENSIONS: [&str; 2] = ["yml", "yaml"];
+pub static ALLOWED_EXTENSIONS: [&str; 2] = ["yml", "yaml"];
 
 fn convert_to_config_value(yaml: &Yaml) -> ConfigValue {
     match yaml {

src/main.rs

@@ -1,4 +1,4 @@
-use terminal::terminal::execute_command;
+use terminal::command::execute_command;
 
 pub mod command;
 pub mod commands;

src/terminal/mod.rs

@@ -1,2 +1,2 @@
 pub mod cli;
-pub mod terminal;
+pub mod command;