Add cli arguments

src/cli.rs

@@ -0,0 +1,30 @@
+use clap::Parser;
+
+/// tuemensa is a simple cli tool to retrieve the current meal plan.
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+pub struct Args {
+   /// Show Mensa Morgenstelle
+   #[arg(short, long, default_value_t = false)]
+   pub morgenstelle: bool,
+
+   /// Show Mensa Shedhalle
+   #[arg(short, long, default_value_t = false)]
+   pub shedhalle: bool,
+
+   /// Format as plain text
+   #[arg(short, long, default_value_t = false)]
+   pub plaintext: bool,
+
+   /// Use very short format (oneline)
+   #[arg(short, long, default_value_t = false)]
+   pub oneline: bool,
+
+   /// Offset of days in the future (valid inputs 0-7)
+   #[arg(short, long, default_value_t = 0)]
+   pub days: u8,
+}
+
+pub fn get_args() -> Args {
+    Args::parse()
+}