Add a Makefile to automatically generate config code. (#2014)

Add a Makefile to automatically generate code.

Building using the Makefile will automatically trigger the code-generation and make sure that the developers don't forget generating and formatting the auto-generated code.

Makefile

@@ -0,0 +1,30 @@
+.DEFAULT_GOAL := build
+
+.PHONY: generate fmt vet build buildTest install test clean clean-all
+
+generate:
+	go generate ./...
+
+fmt: generate
+	go fmt ./...
+
+vet: fmt
+	go vet ./...
+
+build: vet
+	go build .
+
+buildTest: vet
+	go test -run=PATTERN_THAT_DOES_NOT_MATCH_ANYTHING ./...
+
+install: fmt
+	go install -v ./...
+
+test: fmt
+	CGO_ENABLED=0 go test -count 1 -v `go list ./... | grep -v internal/cache/...` && CGO_ENABLED=0 go test -p 1 -count 1 -v ./internal/cache/...
+
+clean:
+	go clean
+
+clean-all:
+	go clean -i ./...