feat(builder): inherit process stdin

ref #37

This commit unconditionally inherits the `spin up` process' stdin.

Given the goal of this trigger is to execute Wasm components to
completion, it makes sense to inherit stdin from the parent's process
and potentially block on waiting for user input.

Signed-off-by: Radu Matei <[email protected]>

src/lib.rs

@@ -42,6 +42,7 @@ impl CliArgs {
             .collect::<Vec<&str>>();
 
         store_builder.args(args)?;
+        store_builder.inherit_stdin();
 
         Ok(())
     }