fix: Resolve build errors and warnings, and update grammar

Co-authored-by: aider (openai/andrew/openrouter/sonoma-sky-alpha) <aider@aider.chat>

src/config.rs

@@ -4,6 +4,7 @@ use anyhow::{Result, Context};
 use serde::{Deserialize, Serialize};
 use log::{debug, error};
 use crate::args::{Args};
+use dirs;
 
 #[derive(Debug, Clone, Serialize, Deserialize, Default)]
 #[serde(rename_all = "lowercase")]