chore: use is_some_and for file ext check

[chenrui333]

error: this `map_or` is redundant
  --> src/project.rs:32:20
   |
32 |                 if path.extension().map_or(false, |ext| ext == "tf")
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use is_some_and instead: `path.extension().is_some_and(|ext| ext == "tf")`
   |

for #6 and #7

[nwiizo]

Thank you for the contribution! This change to use is_some_and for the file extension check improves the code quality by following Rust's best practices. Much appreciated! 🙂