chore: add make commands (release-2.7) (#2488)

Signed-off-by: Philipp Rudloff <philipp.rudloff@konghq.com>

.editorconfig

@@ -6,4 +6,7 @@ indent_style = space
 indent_size = 2
 end_of_line = lf
 insert_final_newline = true
-trim_trailing_whitespace = true
+trim_trailing_whitespace = true
+
+[{Makefile,**.mk}]
+indent_style = tab

Makefile

@@ -0,0 +1,6 @@
+SHELL := /usr/bin/env bash
+
+## make help: if you're aren't sure use `make help`
+include mk/help.mk
+include mk/install.mk
+include mk/build.mk

mk/build.mk

@@ -0,0 +1,7 @@
+.PHONY: build
+build:
+	yarn run build
+
+.PHONY: build/sync
+build/sync:
+	make build

mk/help.mk

@@ -0,0 +1,15 @@
+.PHONY: help
+help: ## Display this help screen
+	@# Display top-level targets since they are the ones most developers will need.
+	@grep -h -E '^[a-zA-Z0-9_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort -k1 | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+	@# Now show hierarchical targets in separate sections.
+	@grep -h -E '^[a-zA-Z0-9_-]+/[a-zA-Z0-9/_-]+:.*?## .*$$' $(MAKEFILE_LIST) | \
+		awk '{print $$1}' | \
+		awk -F/ '{print $$1}' | \
+		sort -u | \
+	while read section ; do \
+		echo; \
+		grep -h -E "^$$section/[^:]+:.*?## .*$$" $(MAKEFILE_LIST) | sort -k1 | \
+			awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' ; \
+	done
+

mk/install.mk

@@ -0,0 +1,19 @@
+.PHONY: install
+install:
+	yarn install
+
+.PHONY: install/sync
+install/sync:
+	make install
+
+.PHONY: clean-install
+clean-install:
+	yarn install --frozen-lockfile
+
+.PHONY: clean-install/sync
+clean-install/sync:
+	make clean-install
+
+.PHONY: clean
+clean: ## Delete all node_modules directories
+	find . -name 'node_modules' -type d -prune -exec rm -rf '{}' +