updated readme

build.rs

@@ -0,0 +1,23 @@
+use std::io::Error;
+
+use clap::CommandFactory;
+use clap_complete::{generate_to, shells::{Bash, Zsh, Fish}};
+
+include!("src/app/args/structure.rs");
+include!("src/app/fs_util/mod.rs");
+
+fn main() -> Result<(), Error> {
+    generate_completions()
+}
+
+fn generate_completions() -> Result<(), Error> {
+    let mut command = Args::command();
+    let home_path = env::var("HOME").expect("could not get home path");
+    let out_dir = format!("{}/.docki/completions/", home_path);
+    create_dir_recursive(&out_dir);
+    generate_to(Bash, &mut command, "docki", &out_dir)?;
+    generate_to(Zsh, &mut command, "docki", &out_dir)?;
+    generate_to(Fish, &mut command, "docki", &out_dir)?;
+    Ok(())
+}
+