✨ Adds clap

Signed-off-by: Ash Svitan <selfsigned-ash@proton.me>

src/main.rs

@@ -5,9 +5,14 @@ mod sh;
 use std::env;
 use std::io;
 use std::io::{Error, ErrorKind, Write};
+use clap::Parser;
 
 const ENV_VAR_DEFAULT_VAULT: &str = "PASS_VAULT";
 
+#[derive(Parser)]
+#[command(version, about, long_about = None)]
+struct Cli {}
+
 fn ask_consent(question: String, line1: String, line2: String) -> Result<bool, Error> {
     println!("{}", question);
     println!("\t{}", line1);
@@ -20,7 +25,7 @@ fn ask_consent(question: String, line1: String, line2: String) -> Result<bool, E
     return Ok(input.to_lowercase() == "y\n");
 }
 
-fn main() -> Result<(), Error> {
+fn sync() -> Result<(), Error> {
     pass::check_pass()?;
     rbw::check_rbw()?;
 
@@ -162,3 +167,9 @@ fn main() -> Result<(), Error> {
 
     return Ok(());
 }
+
+fn main() -> Result<(), Error> {
+    Cli::parse();
+    sync()?;
+    return Ok(());
+}