Change to use json for config

cleanup unused codes

src/main.rs

@@ -6,7 +6,7 @@ mod crawler;
 mod event;
 mod helpers;
 mod schema;
-mod types;
+mod models;
 mod widgets;
 
 use crate::cli::Cli;
@@ -19,4 +19,4 @@ async fn main() -> Result<()> {
     color_eyre::install()?;
     let cli = Cli::parse();
     cli.run().await
-}
+}