makefile: add new script for creating new solutions

Author: tednaaa

Makefile

@@ -1,5 +1,16 @@
-test:
+new-solution: check-lib
+	@cargo init --lib crates/$(lib)
+
+test: check-lib
 	@cargo test -p $(lib) --lib -- --nocapture
 
 lint:
-	cargo clippy --all-targets --all-features
+	@cargo clippy --all-targets --all-features
+
+
+check-lib:
+	@if [ -z "$(lib)" ]; then \
+		echo "Error: 'lib' argument is required."; \
+		exit 1; \
+	fi
+