added argument parsing and structure with clap

src/app/args/mod.rs

@@ -0,0 +1,10 @@
+use clap::Parser;
+
+use self::structure::Args;
+
+mod structure;
+
+pub fn args() -> Args {
+    return Args::parse();
+
+}

src/app/args/structure.rs

@@ -0,0 +1,12 @@
+use clap::{Parser, Subcommand};
+
+#[derive(Parser)]
+pub struct Args {
+    #[command(subcommand)]
+    command: Option<CommandArg>
+}
+
+#[derive(Subcommand)]
+enum CommandArg {
+    Build,
+}

src/app/mod.rs

@@ -1,6 +1,7 @@
 mod commands;
 pub mod builder;
 pub mod fs_util;
+mod args;
 
 use std::collections::HashMap;
 use std::env;
@@ -8,6 +9,8 @@ use std::env;
 use commands::traits::Command;
 use commands::CommandRegistry;
 
+use self::args::args;
+
 pub struct App {
     command_regisrty: CommandRegistry,
 }
@@ -19,9 +22,10 @@ impl App {
         }
     }
 
-    pub fn start(self, args: Vec<String>) {
+    pub fn start(self, old_args: Vec<String>) {
+        let args = args();
         Self::preapare_env_path();
-        let command_args = &args[1..];
+        let command_args = &old_args[1..];
         let mut path = String::from("");
         let mut argument_map = HashMap::new();
         let mut only_options_left = false;