Add AppState, DB and Snafu

src/error.rs

@@ -1,17 +0,0 @@
-use askama::Template;
-use askama_web::WebTemplate;
-use axum::response::{IntoResponse, Response};
-
-#[derive(Template, WebTemplate)]
-#[template(path = "error.html")]
-struct ErrorTemplate {}
-
-pub enum AppStateError {
-    Error,
-}
-
-impl IntoResponse for AppStateError {
-    fn into_response(self) -> Response {
-        ErrorTemplate {}.into_response()
-    }
-}