feat: generate config, load shell env vars

src/main.rs

@@ -5,10 +5,11 @@
 
 mod arg;
 mod config;
+mod generate;
 mod issue;
+mod pr;
 mod repo;
 mod request;
-mod pr;
 mod user;
 mod util;
 
@@ -18,6 +19,14 @@ fn main() {
     let matches: ArgMatches = arg::get_args();
     let mut config = crate::config::Configuration::new();
     config.load_envs();
+
+    if config.base_url.is_empty()
+        || config.api_token.is_none()
+        || (config.username.is_none() && config.password.is_none())
+    {
+        config.load_config_file();
+    }
+
     let auth = request::Authentication::new(&config);
     let request = auth.request_chooser(config.clone(), matches);