feat: add --force flag to force rebuild

src/template_engine.rs

@@ -29,7 +29,7 @@ pub fn build(config: &Config, feed_store: &mut FeedStore) -> Result<()> {
     Ok(())
 }
 
-fn create_tera(templates_dir: &str) -> Result<Tera> {
+fn create_tera(templates_dir: &Utf8Path) -> Result<Tera> {
     let dir = to_checked_pathbuf(templates_dir);
     let mut tera = tera::Tera::new(&format!("{dir}/*"))?;
     // disable autoescape as this would corrupt urls or the entriy contents. todo check this!