Add default list recipies, add comments, remove run recipe

justfile

@@ -1,19 +1,29 @@
 #!/usr/bin/env just --justfile
 
-run:
-    cargo run
+# List all recipes
+default:
+    @just --list
 
+# Open a nix shell with all dependencies in path
+develop:
+    nix develop
+
+# Format all rust files
 fmt:
     cargo fmt --all
 
+# Lint all files with clippy
 lint:
     cargo clippy --all-targets --all-features -- -D warnings
 
+# Build a release version
 release:
     cargo build --release
 
+# Run all tests
 test:
     cargo test --all-features --workspace
 
+# Run coverage
 coverage:
     cargo llvm-cov