feature: Create command system to handle actions

src/config.rs

@@ -1,4 +1,4 @@
-use clap::{Parser, ValueEnum};
+use clap::{Parser, Subcommand, ValueEnum};
 use serde::{Deserialize, Serialize};
 use std::fmt;
 use std::path::PathBuf;
@@ -57,9 +57,30 @@ impl Into<LevelFilter> for VerbosityLevel {
     }
 }
 
+#[derive(Debug, Subcommand)]
+#[clap(rename_all = "snake_case")]
+pub enum Command {
+    /// Load task into the database from [path]
+    LoadTasks{
+        /// Path to the file
+        path: PathBuf,
+    },
+    #[clap(skip)]
+    None,
+}
+
+impl Default for Command {
+    fn default() -> Self {
+        Command::None
+    }
+}
+
 #[derive(Debug, Parser, Serialize, Deserialize)]
 pub struct Config {
-    path: PathBuf,
+    #[command(subcommand)]
+    #[serde(skip)]
+    pub command: Command,
+
     #[arg(
         long,
         short = 'v',
@@ -71,9 +92,6 @@ pub struct Config {
 }
 
 impl Config {
-    pub fn path(&self) -> &PathBuf {
-        &self.path
-    }
 
     pub fn log_level(&self) -> LevelFilter {
         self.log_level.clone().into()