fix: use printf to fix color output

{{cookiecutter.project_slug}}/Makefile

@@ -4,12 +4,15 @@ KUBECTL_EXEC_FRONTEND = kubectl exec -it $$(kubectl get pods -l app=frontend -o
 {% endif %}
 PREREQUISITE_COMMANDS := kubectl tilt kind
 
-# colors
-BLUE:=$(shell echo "\033[0;36m")
-GREEN:=$(shell echo "\033[0;32m")
-YELLOW:=$(shell echo "\033[0;33m")
-RED:=$(shell echo "\033[0;31m")
-END:=$(shell echo "\033[0m")
+# escape character for colors
+ESC := \033
+
+# color variables
+BLUE := $(ESC)[0;36m
+GREEN := $(ESC)[0;32m
+YELLOW := $(ESC)[0;33m
+RED := $(ESC)[0;31m
+END := $(ESC)[0m
 
 PROJECT_SLUG:="{{ cookiecutter.project_slug }}"
 REGISTRY_HOSTNAME := localhost
@@ -69,48 +72,48 @@ backend/requirements/production.txt: compile
 backend/requirements/tests.txt: compile
 
 setup:
-	@echo " $(YELLOW)⛭$(END) Checking if the setup is correct and all prerequisites are installed..."
+	@printf " $(YELLOW)⛭$(END) Checking if the setup is correct and all prerequisites are installed..."
 	@MISSING=""; \
 	for exec in $(PREREQUISITE_COMMANDS); do \
 		if ! which $$exec > /dev/null 2>&1; then \
 			MISSING="$$MISSING $$exec"; \
 		fi; \
 	done; \
 	if [ -n "$$MISSING" ]; then \
-		echo " $(RED)❌$(END)Missing executables:$$MISSING. These must be installed by you to continue"; \
+		printf " $(RED)❌$(END)Missing executables:$$MISSING. These must be installed by you to continue"; \
 		false; \
 	else \
-		echo " $(GREEN)✔️$(END) All prerequisites are installed."; \
+		printf " $(GREEN)✔️$(END) All prerequisites are installed."; \
 	fi
 	@CURRENT_CONTEXT="$$(kubectl config current-context 2>&1)"; \
 	CLUSTER_NAME=$(shell echo $(PROJECT_SLUG) | sed 's/_/-/g'); \
 	NEW_CONTEXT=kind-$$CLUSTER_NAME; \
 	CLUSTER_EXISTS = $(shell kind get clusters | grep -w $$CLUSTER_NAME$$ || true); \
 	if [ -z "$$CLUSTER_EXISTS" ]; then \
-		echo " $(YELLOW)⛭$(END) No cluster found for $$CLUSTER_NAME. Creating your cluster. Please wait, this may take a couple of minutes on a slower machine..."; \
+		printf " $(YELLOW)⛭$(END) No cluster found for $$CLUSTER_NAME. Creating your cluster. Please wait, this may take a couple of minutes on a slower machine..."; \
 		k8s/scripts/kind-with-registry.sh $$CLUSTER_NAME > /tmp/scaf_cluster.log 2>&1; \
-		echo " $(GREEN)✔️$(END) $$NEW_CONTEXT cluster and context created."; \
-		echo " $(BLUE)🗣️ $(END) Pre-loading upstream images into cluster."; \
+		printf " $(GREEN)✔️$(END) $$NEW_CONTEXT cluster and context created."; \
+		printf " $(BLUE)🗣️ $(END) Pre-loading upstream images into cluster."; \
 		docker pull postgres:16; \
 		docker pull redis:6.0.5; \
 		docker pull mailhog/mailhog:v1.0.0; \
 		kind load docker-image postgres:16 --name $$CLUSTER_NAME; \
 		kind load docker-image redis:6.0.5 --name $$CLUSTER_NAME; \
 		kind load docker-image mailhog/mailhog:v1.0.0 --name $$CLUSTER_NAME; \
-		echo " $(GREEN)✔️$(END) $$NEW_CONTEXT cluster and context created."; \
-		echo " $(BLUE)🗣️ Remember, you can safely run \"make setup\" any time to switch between Scaf projects.$(END)"; \
-		echo " $(GREEN)✔️$(END) Finished! Run 'tilt up' to start your cluster! "; \
+		printf " $(GREEN)✔️$(END) $$NEW_CONTEXT cluster and context created."; \
+		printf " $(BLUE)🗣️ Remember, you can safely run \"make setup\" any time to switch between Scaf projects.$(END)"; \
+		printf " $(GREEN)✔️$(END) Finished! Run 'tilt up' to start your cluster! "; \
 	else \
 		if [ "$$CURRENT_CONTEXT" = "$$NEW_CONTEXT" ]; then \
-			echo " $(GREEN)✔️$(END) The kubectl context is correctly set to '$$NEW_CONTEXT'. Run 'tilt up' to start your cluster!"; \
+			printf " $(GREEN)✔️$(END) The kubectl context is correctly set to '$$NEW_CONTEXT'. Run 'tilt up' to start your cluster!"; \
 		else \
 			kubectl config use-context $$NEW_CONTEXT 1>/dev/null 2>/tmp/scaf_error.log; \
-			echo " $(GREEN)✔️$(END) Context switched to $$NEW_CONTEXT. Run 'tilt up' to start your cluster! "; \
+			printf " $(GREEN)✔️$(END) Context switched to $$NEW_CONTEXT. Run 'tilt up' to start your cluster! "; \
 		fi; \
 	fi; \
 
 list-local-docker-images:
-	@echo " $(YELLOW)⛭$(END) Listing local docker images..."
+	@printf " $(YELLOW)⛭$(END) Listing local docker images..."
 	@curl -s "$(REGISTRY_HOSTNAME):$(REGISTRY_PORT)/v2/_catalog" | jq -r '.repositories[]' | while read REPO; do \
 		echo "Repository: $$REPO"; \
 		curl -s "$(REGISTRY_HOSTNAME):$(REGISTRY_PORT)/v2/$$REPO/tags/list" | jq -r '.tags[]' | while read TAG; do \