src: main: Use the Cli parser in the actual program

Make actual use of the `Cli` parser. Notice that the actual app code
will only execute if neither `--version` nor `--help` is used

Closes: #17

[Maintainer edits]
- Added commentary to explain why we use `_args` in the arg parsing
- Added "Closes" tag to commit message

Signed-off-by: OJarrisonn <j.h.m.t.v.10@gmail.com>
Reviewed-by: David Tadokoro <davidbtadokoro@usp.br>
Signed-off-by: David Tadokoro <davidbtadokoro@usp.br>

src/main.rs

@@ -1,6 +1,8 @@
 use app::{
  App, CurrentScreen
 };
+use clap::Parser;
+use cli::Cli;
 use ratatui::{
  backend::Backend,
  crossterm::event::{
@@ -11,10 +13,14 @@ use ratatui::{
 use ui::draw_ui;
 
 mod app;
+mod cli;
 mod ui;
 mod utils;
 
 fn main() -> color_eyre::Result<()> {
+ // We use an unused var because we only parse for `-h|--help` and `-V|--version`
+ let _args = Cli::parse();
+
  utils::install_hooks()?;
  let mut terminal = utils::init()?;
  let mut app = App::new();