manager: Add os variable since hostname on macos is weird

manager/src/peeker.rs

@@ -9,7 +9,8 @@ use std::path::PathBuf;
 use tokio::fs::{read_dir, read_to_string};
 use tokio::join;
 
-pub async fn peek_tree(cfg: &Config) -> Result<(), Errors> {
+/// Iterate over the directory tree and print all variables used in all template files.
+pub async fn print_variables(cfg: &Config) -> Result<(), Errors> {
     for var in dir(cfg, PathBuf::new()).await? {
         println!("{}", var);
     }