🔥 chore(config_cli): remove add_cli module

- remove unused add_cli module and its dependencies

src/config_cli/label_cli/add_cli.rs

@@ -1,23 +0,0 @@
-use clap::Parser;
-
-use cull_gmail::{Config, Error, Result};
-
-#[derive(Debug, Parser)]
-pub struct AddCli {
-    /// Id of the rule on which action applies
-    #[clap(short, long)]
-    id: usize,
-    /// Label to add to the rule
-    #[clap(short, long)]
-    label: String,
-}
-
-impl AddCli {
-    pub fn run(&self, mut config: Config) -> Result<()> {
-        if config.get_rule(self.id).is_none() {
-            return Err(Error::RuleNotFound(self.id));
-        }
-
-        config.add_label_to_rule(self.id, &self.label)
-    }
-}