chore: bump version to 0.2.0 and enable --version flag

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: desleylangeveld

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "dots"
-version = "0.1.0"
+version = "0.2.0"
 edition = "2021"
 description = "A cross-platform dotfile sync tool"
 license = "MIT"

src/main.rs

@@ -9,7 +9,7 @@ use anyhow::Result;
 use clap::{Parser, Subcommand};
 
 #[derive(Parser)]
-#[command(name = "dots", about = "Cross-platform dotfile sync tool")]
+#[command(name = "dots", about = "Cross-platform dotfile sync tool", version)]
 struct Cli {
     #[command(subcommand)]
     command: Commands,