WIP: make SSH package dedicated submodule

cmd/tk/Makefile

@@ -0,0 +1,29 @@
+VERSION?=$(shell grep 'VERSION' cmd/tk/main.go | awk '{ print $$4 }' | tr -d '"')
+PROJECT_ROOT=$(shell git rev-parse --show-toplevel)
+
+all: test build
+
+tidy:
+	go mod tidy
+
+fmt:
+	go fmt ./...
+
+vet:
+	go vet ./...
+
+test: tidy fmt vet
+	go test ./... -coverprofile cover.out
+
+build:
+	CGO_ENABLED=0 go build -o $(PROJECT_ROOT)/bin/tk .
+
+install:
+	go install .
+
+.PHONY: docs
+docs:
+	mkdir -p $(PROJECT_ROOT)/docs/cmd && go run . docgen $(PROJECT_ROOT)/docs/cmd
+
+install-dev:
+	CGO_ENABLED=0 go build -o /usr/local/bin .