fix(*): Vendored project dependencies

vendor/github.com/pjbgf/sha1cd/Makefile

@@ -0,0 +1,32 @@
+FUZZ_TIME ?= 1m
+
+export CGO_ENABLED := 1
+
+.PHONY: test
+test:
+	go test ./...
+
+.PHONY: bench
+bench:
+	go test -benchmem -run=^$$ -bench ^Benchmark ./...
+
+.PHONY: fuzz
+fuzz:
+	go test -tags gofuzz -fuzz=. -fuzztime=$(FUZZ_TIME) ./test/
+
+# Cross build project in arm/v7.
+build-arm:
+	docker build -t sha1cd-arm -f Dockerfile.arm .
+	docker run --rm sha1cd-arm
+
+# Cross build project in arm64.
+build-arm64:
+	docker build -t sha1cd-arm64 -f Dockerfile.arm64 .
+	docker run --rm sha1cd-arm64
+
+# Build with cgo disabled.
+build-nocgo:
+	CGO_ENABLED=0 go build ./cgo
+
+# Run cross-compilation to assure supported architectures.
+cross-build: build-arm build-arm64 build-nocgo