feat: finish docker cli

Implement wanted functionality for docker subcommands.

src/scripts/docker.rs

@@ -1,5 +1,9 @@
+use super::DockerCommand;
 use anyhow::Result;
 
 pub fn stop_all() -> Result<()> {
-    todo!()
+    let running_containers = DockerCommand::docker().args("ps -q").stdout()?;
+    DockerCommand::docker()
+        .args(&format!("stop {running_containers}"))
+        .spawn_wait()
 }

src/scripts/mod.rs

@@ -34,12 +34,12 @@ impl DockerCommand {
         self
     }
 
+    fn stdout(mut self) -> Result<String> {
+        Ok(String::from_utf8(self.command.output()?.stdout)?)
+    }
+
     fn spawn_wait(mut self) -> Result<()> {
-        self.command
+        self.command.spawn()?.wait()?;
-            .spawn()
-            .context("failed spawning command")?
-            .wait()
-            .context("failed while waiting")?;
         Ok(())
     }
 }