feat: Justfile (#16)

**Description**

Defines Justfile targets that cover CI checks.

.github/workflows/unit.yml

@@ -36,21 +36,20 @@ jobs:
             --workspace \
             -E "kind(lib) | kind(bin) | kind(proc-macro)"
 
-  # re-add when we have library targets
-  # doc:
-  #   name: doc tests
-  #   env:
-  #     RUST_BACKTRACE: 1
-  #   timeout-minutes: 30
-  #   runs-on: ubuntu-latest
-  #   steps:
-  #     - uses: actions/checkout@v4
-  #     - uses: dtolnay/rust-toolchain@stable
-  #     - uses: Swatinem/rust-cache@v2
-  #       with:
-  #         cache-on-failure: true
-  #     - name: Run doctests
-  #       run: cargo test --doc --workspace
+  doc:
+    name: doc tests
+    env:
+      RUST_BACKTRACE: 1
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - name: Run doctests
+        run: cargo test --doc --workspace
 
   unit-success:
     name: unit success

Justfile

@@ -0,0 +1,31 @@
+set positional-arguments
+alias t := test
+alias d := doc
+alias l := lint
+alias f := fmt
+alias b := build
+
+# default recipe to display help information
+default:
+  @just --list
+
+# Test with all features
+test:
+  cargo nextest run --locked --workspace -E "kind(lib) | kind(bin) | kind(proc-macro)"
+
+# Test docs
+doc:
+  cargo test --locked --workspace --doc
+
+# Lint
+lint:
+  cargo clippy --workspace --examples --tests --benches --all-features \
+  && cargo hack check
+
+# Format
+fmt:
+  cargo +nightly fmt --all && cargo +nightly fmt --all --check
+
+# Build
+build:
+  cargo build --workspace --all-features