Merge #313: chore(just): add a _default recipe

5a5747d chore(just): add a `_default` recipe (Luis Schwab)

Pull request description:

  This PR adds a `_default` recipe at the top of the `justfile` so that running `just` will list the recipes instead of running the `build` recipe.

ACKs for top commit:
  ValuedMammal:
    ACK 5a5747d
  oleonardolima:
    ACK 5a5747d
  110CodingP:
    tACK [5a5747d](5a5747d)

Tree-SHA512: 20b99e909af224508c45727e766a97ddd8b72be28ddde8eb20d84dfdbc55a8b9a8489078a305a705a60145d611e3ee4973284bbd4c56bc0dd998361cde83006b

Author: ValuedMammal

justfile

@@ -4,6 +4,9 @@ alias f := fmt
 alias t := test
 alias p := pre-push
 
+_default:
+   @just --list
+
 # Build the project
 build:
    cargo build
@@ -26,4 +29,4 @@ test:
    cargo test --workspace --exclude 'example_*' --all-features
 
 # Run pre-push suite: format, check, and test
-pre-push: fmt check test
+pre-push: fmt check test