feat: implement benchmarks (#30)

src/template/commands/solve.rs

@@ -0,0 +1,31 @@
+use std::process::{Command, Stdio};
+
+pub fn solve_handler(day: u8, release: bool, time: bool, submit_part: Option<u8>) {
+    let day_padded = format!("{:02}", day);
+
+    let mut cmd_args = vec!["run".to_string(), "--bin".to_string(), day_padded];
+
+    if release {
+        cmd_args.push("--release".to_string());
+    }
+
+    cmd_args.push("--".to_string());
+
+    if let Some(submit_part) = submit_part {
+        cmd_args.push("--submit".to_string());
+        cmd_args.push(submit_part.to_string())
+    }
+
+    if time {
+        cmd_args.push("--time".to_string());
+    }
+
+    let mut cmd = Command::new("cargo")
+        .args(&cmd_args)
+        .stdout(Stdio::inherit())
+        .stderr(Stdio::inherit())
+        .spawn()
+        .unwrap();
+
+    cmd.wait().unwrap();
+}