Adding package file to theme and using scss instead of css.

src/connection.rs

@@ -95,3 +95,7 @@ fn return_response(path_or_code: &str) -> String {
     let length = contents.len();
     format!("{status_line}\r\nContent-Length: {length}\r\n\r\n{contents}")
 }
+
+pub fn path_exists(path: &str) -> bool {
+    fs::metadata(path).is_ok()
+}