Add init command

src/main.rs

@@ -3,6 +3,15 @@ use std::path::PathBuf;
 use clap::Parser;
 use directories::ProjectDirs;
 
+/// Initialize the note repository.
+#[derive(Debug, Parser)]
+struct CmdInit {}
+
+#[derive(Debug, Parser)]
+enum Command {
+    Init(CmdInit),
+}
+
 /// GedächtNAS - external storage for your brain.
 #[derive(Debug, Parser)]
 #[command(version)]
@@ -10,6 +19,8 @@ struct Args {
     /// Path to the config file.
     #[arg(long, short)]
     config: Option<PathBuf>,
+    #[command(subcommand)]
+    cmd: Command,
 }
 
 fn main() {