Added arguments and modified .gitignore

I added -h / --help and -f / --file so that the wyst code files aren't hard coded
This makes it easier to test and debug

.gitignore

@@ -15,5 +15,10 @@ Cargo.lock
 
 
 # Added by cargo
-
 /target
+
+#MacOS
+.DS_Store
+
+#Wyst files for testing
+*.wst

Cargo.toml

@@ -7,4 +7,5 @@ edition = "2021"
 
 [dependencies]
 regex = "1.10.4"
-once_cell = "1.19.0"
+once_cell = "1.19.0"
+clap = { version = "4.0", features = ["derive"] }

src/main.rs

@@ -2,11 +2,21 @@ mod transpiler;
 mod parser;
 mod lexer;
 use std::fs;
+use clap::Parser;
 
 
+//Arguments for Wyst (short and long version)
+#[derive(Parser)]
+struct Args {
+    #[clap(short, long)]
+    file: String,
+}
+
 fn main() {
-    let code_file = "code.wst";
-    let contents = fs::read_to_string(code_file).expect("cannot read for some reason");
-    let result = transpiler::transpile(contents, 0);
-    println!("{result}")
+    let args = Args::parse();
+    let file_content = fs::read_to_string(&args.file)
+        .expect("Error reading file");
+
+    let transpiled_code = transpiler::transpile(file_content, 0);
+    println!("{}", transpiled_code);
 }