Add justfile to replace xtask scripts

justfile

@@ -0,0 +1,40 @@
+_default:
+    @just --list
+
+# Scan for potential bloat
+bloat:
+    cargo bloat --release
+    cargo bloat --release --crates
+
+# Build all targets
+build:
+    cargo build --all-targets
+
+# Build release targets
+build-release:
+    cargo build --release
+
+# Run the ci suite
+ci:
+    cargo fmt --all -- --check
+    cargo check --all-targets --all-features --workspace
+    cargo clippy --all-targets --all-features --no-deps --workspace -- -D warnings
+    cargo doc --all --no-deps
+    cargo test --all-targets --workspace
+    cargo build --locked --all-targets
+
+# Run update, and baseline lints and checks
+prepare:
+    cargo update
+    cargo fmt
+    cargo check --all-targets --all-features --workspace
+    cargo fix --edition-idioms --allow-dirty --allow-staged
+    cargo clippy --all-features --all-targets --workspace --no-deps --fix --allow-dirty --allow-staged
+
+# Scan for vulnerabilities and unused dependencies
+scan: prepare
+    cargo +nightly udeps
+    cargo audit
+
+bench directory=('../'): build-release
+    hyperfine --warmup 1 'target/release/gfold {{directory}}' 'gfold {{directory}}'