copy latest version docs to docs directory

Signed-off-by: Huabing Zhao <zhaohuabing@gmail.com>

tools/make/docs.mk

@@ -15,9 +15,11 @@ docs: docs.clean helm-readme-gen docs-api copy-current-release-docs ## Generate
 .PHONY: copy-current-release-docs
 copy-current-release-docs:  ## Copy the current release docs to the docs folder
 	@$(LOG_TARGET)
-	rm -rf $(ROOT_DIR)/site/content/en/docs
-	mkdir -p $(ROOT_DIR)/site/content/en/docs
-	cp -r $(ROOT_DIR)/site/content/en/v1.0.2/** $(ROOT_DIR)/site/content/en/docs
+	@CURRENT_RELEASE=$(shell ls $(ROOT_DIR)/site/content/en | grep -E '^v[0-9]+\.[0-9]+\.[0-9]+$$' | sort | tail -n 1); \
+	echo "Copying the current release $$CURRENT_RELEASE docs to the docs folder"; \
+	rm -rf $(ROOT_DIR)/site/content/en/docs; \
+	mkdir -p $(ROOT_DIR)/site/content/en/docs; \
+	cp -r $(ROOT_DIR)/site/content/en/$$CURRENT_RELEASE/** $(ROOT_DIR)/site/content/en/docs
 
 .PHONY: docs-release
 docs-release: docs-release-prepare release-notes-docs docs-release-gen docs  ## Generate Envoy Gateway Release Docs