feat: ✨ add tag command

Makefile

@@ -1,3 +1,36 @@
+TAG := $(shell git describe --tags --abbrev=0 2>/dev/null)
+VERSION := $(shell echo $(TAG) | sed 's/v//')
+
+tag:
+	@if [ -z "$(TAG)" ]; then \
+        echo "No previous version found. Creating v1.0.0 tag..."; \
+        git tag v1.0.0; \
+    else \
+        echo "Previous version found: $(VERSION)"; \
+        read -p "Bump major version (M/m), minor version (R/r), or patch version (P/p)? " choice; \
+        if [ "$$choice" = "M" ] || [ "$$choice" = "m" ]; then \
+            echo "Bumping major version..."; \
+			major=$$(echo $(VERSION) | cut -d'.' -f1); \
+            major=$$(expr $$major + 1); \
+            new_version=$$major.0.0; \
+		elif [ "$$choice" = "R" ] || [ "$$choice" = "r" ]; then \
+            echo "Bumping minor version..."; \
+			minor=$$(echo $(VERSION) | cut -d'.' -f2); \
+            minor=$$(expr $$minor + 1); \
+            new_version=$$(echo $(VERSION) | cut -d'.' -f1).$$minor.0; \
+		elif [ "$$choice" = "P" ] || [ "$$choice" = "p" ]; then \
+            echo "Bumping patch version..."; \
+			patch=$$(echo $(VERSION) | cut -d'.' -f3); \
+            patch=$$(expr $$patch + 1); \
+            new_version=$$(echo $(VERSION) | cut -d'.' -f1).$$(echo $(VERSION) | cut -d'.' -f2).$$patch; \
+        else \
+            echo "Invalid choice. Aborting."; \
+            exit 1; \
+        fi; \
+        echo "Creating tag for version v$$new_version..."; \
+        git tag v$$new_version; \
+    fi
+
 gen-docs:
 	@echo "Generating docs..."
 	gomarkdoc -o README.md ./pkg/...